Issei Hyoudou/Relationships

Issei has developed many relationships throughout the series, both within the Occult Research Club and within the three factions. He has also attracted the attention of most of the female characters, despite his lecherous nature.

Rias Gremory
She is the woman who reincarnated Issei and is the love of his life. When she first summoned him, she treated him as a "special" case, knowing he had a lot of potential, but as time went on, she found his soft side and started falling in love. She and Issei both shared their first kiss with each other following the latter's duel with Riser. She often gets jealous when other girls flirt or tempt him. She loves him very much and is willing to do anything with him. In response, Issei will do anything to protect her, as he loves her just as much as she loves him. In Volume 11, Issei was given permission from Rias' mother to start a harem to keep the girls happy. She was completely heartbroken by the news of Issei's death (in which Sairaorg berates her for), but she gained a great deal of hope when she found that his spirit is alive through his Evil Pieces. It also appears that when Issei sees her breasts or touches them, he gains a tremendous amount of power, which helped him achieve Balance Breaker and Trianna. This, however, has resulted in her gaining derogratory nicknames such as the "Switch Princess" (Bikou) and the "Crimson Bust Princess" (Azazel). She is first in Issei's harem.

Akeno Himejima
When Akeno first met Issei, she thought of him as a kouhai she could spoil and flirt with, but as time progressed she started to see that Issei was very protective and started to fall in love with him. She truly fell in love with him in Vol. 7 after he helped her release her Holy Lightning ability. She loves him a great deal and isn't afraid to get into fights over him with the other girls as she does get jealous. She is fine with the fact of being third in his harem after Rias and Asia, as she likes the idea of an affair. Issei does care a great deal about her, and is willing to put his life on the line for her. She was heartbroken and cried terribly with her father when she heard that Issei died, and was terribly depressed by the news. She found out later that Issei's spirit is alive and her power was upgraded by Issei's bracelet, giving her access to her Fallen Angel form in which her powers drastically increase.

Asia Argento
Asia met Issei in Vol. 2 and he was lecherous as usual, going as far as calling her a "golden haired bishōjo". After a mission where he battled Freed Sellzen, whom she was working with after she left the Church. After the incident, she left Freed and was immediately entranced by Issei due to him wanting to protect her. She was kidnapped by Raynare and later died after the latter took her Sacred Gear. Issei avenges her and, with the help of Rias, brought her back to life as a Devil, which then she automatically fell in love with him. Following the incident, Issei feels that he should always protect Asia and never wants to lose her again. He often has lecherous thoughts about her and loves her a great deal. She often gets teary-eyed when other girls flirt with him. When Issei died, she, along with the others, lost their will to fight, but gained hope after hearing that his spirit was still alive. She is apparently second in Issei's harem, after Rias.

Koneko Tojo
At first, Koneko hated Issei due to his lecherous mind and antics, but started to like him after seeing how he never gives up and is willing to do anything for anyone. She started to have feelings for him in Volume 5 after he helped her overcome her fear of Senjutsu because Issei told her he would stop her if she went out of control. After that, she began sitting nowhere else but in Issei's lap, and began seducing him like all the other women in the harem. She often gets jealous like the others if another girl is with him or hogging him. Her love kept growing and growing until it reached its climax in Volume 11 where she went into mating season and chose him as her partner but was stopped by Kuroka. Later in the same volume, she proposed to Issei to be his bride, which Issei accepts under the condition that she grows bigger. She wants to be more than just a girlfriend to Issei because she chose him to be soulmate. Her relationship with him is very serious, but will have to wait to develop more because her body is small and would be a danger to her to bear children at this point. When Issei died, she cried along with Ravel and was also happy to hear his spirit was alive. She is considered to be fourth in Issei's harem.

Yuto Kiba
Kiba is the Knight of the Gremory group and is the self-proclaimed best friend of Issei. Issei hated Kiba at first due to him getting all the girls' attention with his good looks, but Issei started to like kiba as a good friend. They both want to become strong so they can protect the girls of the Gremory group. Issei and kiba have a good friendship and are willing to protect each other from harm. When issei died, Kiba felt sadness and anger but kept it in. When he found out Issei's spirit was alive, he released his anger on Siegfried and gained hope.

Xenovia
Xenovia and Issei met in Vol. 3 and did not care much for Issei. Issei initially disliked her due to her calling Asia a witch and wanting to kill her, but after Vol 3. she apologizes greatly and becomes a Devil after learning of God's death. She then decides that she wants to have strong children and chooses Issei to be her mate. She is completely oblivious to sexual situations due to her being raised in the Church, and tries to do "it" anywhere with Issei, even going as far as to bring condoms to school so they could "practice". However later on, she develops strong feelings for him because Issei protects her quite a bit, which she is fond of and therefore falls in love with him. She doesn't get as jealous when girls are around him, often at times just letting it go, although when one of the girls tries to have sex with him, she becomes jealous and tries to take him away. Issei is willing to protect her just as much as the other girls, and loves the fact of having babies with her. She is sixth in Issei's harem.

Irina Shido
Irina and Issei have been friends since childhood and reunited in Vol. 3, although Issei was surprised to see her because as kids he thought she was a boy. Issei likes her very much and has lecherous thoughts about her like the other girls. She has had a crush on Issei since they were little but was dissapointed to see that he had become a Devil and a pervert but nevertheless still loved him. She wants to make love to Issei and have his children like Xenovia to apparently strengthen Heaven's forces. She loves Issei very much but is having trouble in the harem because if she thinks or does anything bad, she starts to "fall". Issei wants to give her babies as well and wants to protect her just like the other girls. She is ranked fifth in Issei's harem.

Gasper Vladi
When Gasper and Issei first met, Issei thought that he was another girl and was heartbroken after learning that he was a cross-dressing boy. Issei often cursed him for being a shut-in, although Issei and Gasper become great friends and Issei trains him as his junior. Issei's blood gives Gasper a boost in power, even making him able to hit his Sared Gear's Balance Breaker for a short time. When Issei died in Volume 11, he, like the other members in the Gremory team, became very sad, but gained hope and defeated Georg afterwards.

Rossweisse
Rosswiesse is the second rook of Rias' peerage and a teacher at their school. She never had a boyfriend, and was constantly teased by Odin about it. At first she had no interest in Issei and found his predicament with his harem funny and often teased him. In vol. 12 she starts to come around to iIssei, seeing that he is a caring person and shows interest in him, to the point of wanting Issei to have multiple dates with her because she likes him.

Ravel Phoenix
Ravel and Issei met during the Rating Game between Rias and her brother Riser and didn't really care for each other. After he defeated Riser at the engagement party, she became infatuated with Issei and in Vol. 5, she starts to develop feelings for issei, albeit in a tsundere fashion. In Vol. 10, she moves in with him and transfers to his school to spend more time with him. She stated that she does not mind becoming one of his concubines as long as she is by his side, which shows that she truly loves him despite being a tsundere. In Vol. 12, she becomes an official member of Issei's harem and starts to fight for him with the other girls. issei was oblivious to her feelings until Vol. 12, but was still willing to put his life on the line to protect her because Ravel's mother told him to take care of her. To the fan base, she is ranked seventh in the harem.

Genshiro Saji
Saji and Issei have a friendly rivalry going on because they are both Pawns, they both harbor feelings for their masters, and they both have Dragons in their Sacred Gears. At first they did not care for one another, but as time progresses they became good friends and start training to become strong to face one another again. When Issei died, Saji showed expressions of anger and sadness due to him being killed and wanted to avenge Issei.

Raynare
Raynare was Issei's first girlfriend, in which she disguised herself as Yuma Amano to trick and deceive Issei in order to kill him because he was deemed a "threat". She killed Issei with a light spear at the end of their date, and afterwards killed Asia by stealing her Sacred Gear. This caused issei to hate Fallen Angels altogether. Issei later defeats Raynare and was almost tricked back due to her becoming Yuma once more, trying to convince him to spare her life, but he sees through her ruse and allows Rias to kill her.

Although dead, Raynare left a permanant mark in Issei's heart, as explained in Vol. 10 when Koneko, Asia, and Akeno try to "heal" Issei. She made Issei fear women after he planned his whole first date with Raynare, only to be killed by her and treated terribly by her. She also made him afraid to call girls by their first name (i.e. calling Rias "President (Buchou)" instead of her name), and also made him afraid of being disliked by other girls or rejected if he showed his feelings again. The girls, however, quickly object to this, and Raynare's "curse" is lifted from Issei's heart.

Azazel
Issei, at first, hated Azazel because he was a Fallen Angel, but learned later on that he is a good man. Azazel later became the Occult Research Club's advisor in Volume 4, and aided the Gremory team on how to better improve themselves as a team. He also helped out in progressing Issei and Kiba's Sacred Gears, as well as helping Issei learn how to achieve Balance Breaker and control the Trianna. He also shows a great deal of concern for Issei after his death but is relieved to hear his spirit is alive.

Michael
Issei sees Michael as a very powerful leader and respects him very much. Likewise, Michael shows a great liking to Issei due to his kindness and power. Michael gave Issei Ascalon as a symbol of peace between the three factions prior to the events of the Kuoh Treaty.

Sirzechs Lucifer
Sirzechs is Rias' older brother and met Issei during his duel against Riser at Riser's engagement party. He shows a great interest in Issei and considers him part of his family, even asking Issei to call him his big brother. He showed anger at the death of Issei and, like the others, wanted to avenge him. He was also relived to hear his spirit was still alive. He has shown great faith in Issei's relationship with Rias.

Lord Gremory
Lord Gremory is Rias' father and meets Issei through her (although after the fight with Riser). He is a middle-aged-looking man who at first was disappointed at the fact Rias did not marry Riser to connect the families, but later accepted his daughter's content of loving Issei. He soon become fond of Issei and became good friends with Issei's parents and accepted him happilly into his family, even wanting Issei to call him father. Like Sirzechs, he also shows great faith in Rias and Issei's relationship, although he often embarasses the two (more often Rias). He also supports Issei's harem.

Venelana Gremory
Venelana is the mother of Rias and looks exactly liker her daughter except with brown hair. She, like her husband, was also very disappointed at the fact the the engagement between Riser and Rias broke off. She, however, became fond of Issei, with Issei having some lecherous thoughts of her because she looks so young and how she bears a striking resemblance to Rias. She teaches Issei how to dance and eat fancily and become a proper gentleman so that he does not embarass Rias at social events in the Underworld. She accepts her daughter's decision to love Issei and comes to like Issei and accepts him into the family. She supports the idea of the harem and tells Issei to always protect the girls and keep them happy.

Grayfia Lucifuge
Grayfia is the wife of Sirzechs and Rias' sister-in-law. She first met Issei while retrieving Rias, who was in the middle of trying to make love with him. She was there after the Occult Club's defeat in the Rating Game against Riser, and helped Issei bring Rias back and stop the engagement. She shows great concern for Rias but accepts Issei as her love. Like the rest of the family, she seems to be fond of Issei, and in Vol. 12, she became very uneasy about his death.

Lady Phoenix
She is the mother of Ruval, Ravel, and Riser. She met Issei in Vol. 10, telling him to take care of Ravel, knowing that she is in love with him and was willing to be one of his concubines. She shows faith in Issei to please all of the girls and protect them.

Riser Phoenix
Riser was the main antogonist in Vol. 2. Issei hated this man with a passion at first because he was "stealing" Rias away from the group, which Issei did not want. At the end of the Rating Game between Riser and Rias' peerages to determine whether Rias should wed Riser, Issei went against Riser but ran out of stamina and was beaten to near-death before being saved by Rias, who surrendered in order to prevent any further harm to him. He woke up three days later and went after her, interrupting the engagement party, and Sirzechs decided on a one-on-one battle. During that fight, Issei gave up his left arm to reach his Balance Breaker and ended up defeating Riser and taking Rias. Issei made him go into a depression due to the fact that he has never lost and also made him afraid of Dragons. Later on during the invasion of the Underworld, he overcomes his fear of Dragons due to Tanninim's training and went out fighting and also tried to encourage Ravel about Issei's death. issei didn't really hate him after he took back Rias.

Sairaorg Bael
Sairaorg is the cousin of Rias who met Issei when they were deciding Rating Game matches between the young Devils. He is known as the strongest young Devil. Issei and him got off to a great start, wanting to fight each other from the beginning. They then sparred before their match, in which Issei found him to be extremely powerful and Sairaorg finding Issei to be interesting. During the Rating Game match between Rias and Sairaorg's peerages, Issei and Sairaorg went head-to-head in a fist-fight match. Later, Issei found that Regulus, his Pawn, was a Sacred Gear which he formed with and Balance-Breaked with. The fight continued and ended with a double knockout, although Issei was knocked out on the ground while Sairaorg was knocked out while still standing. After the match, the two became good friends and promised to get stronger to fight each other once again later on. When Issei died, he came and encouraged Rias to get up from her depression. He believed that he was not dead due to the fact that he had not had sex with the women he loves.

Vali Lucifer
Vali is the holder of Divine Dividing Longinus and is Issei's rival. When they first met, Vali was on a another level compared to Issei, which made Issei scared but devoted to become more powerful. During the signing of the peace treaty between the three factions, he went against everyone and formed a team in the Chaos Brigade. This made Issei hate him and after which they fought with Issei in Balance Breaker mode due to Azazel's bracelet. Issei won the fight but Vali was teleported away. Later on, however, the two had join forces to defeat Loki, and after that, began cooperating. Even later into the series, the two started to become friends, although still in a rivalry. They promised to fight each other someday and to become even stronger. As Issei likes breasts, Vali claimed he likes the butts of women. When Issei died in Vol. 11, he wanted to avenge him along with Kiba.

Kuroka
Kuroka is the elder sister of Koneko. She met Issei when she tried to take Koneko but Issei stopped her. He fought her for Koneko and almost punched her in the face but stopped, warning her that if she ever tried anything again, his fist won't stop. Later on, Issei found that she loves her sister very much and found her to be very sexually appealing. During Koneko's mating season, she made matters a little worse by stimulating Koneko and Issei. Although she stopped her sister, she still began to seduce Issei because she wants his "genes" for strong babies, which she tried with Vali but he denied. Koneko protects Issei, saying that Issei is hers. In Vol. 11, Issei tries to protect Koneko but is unable to. However, Kuroka protects her, after which he learns her past while she is healing and tells Koneko she is a good person, although a "naughty cat". She seems to be developing some feelings for Issei, although it is too early to tell.

Le Fay Pendragon
Le Fay is the witch of the Vali Team whom Issei meets in Vol. 11, where it is revealed that she is a fan of his show, Breast Dragon Emperor Oppai Dragon (Oppai Dragon for short).

Ddraig
Ddraig is the Dragon known as the Red Dragon Emperor that is inside Issei's Sacred Gear/Longinus, Boosted Gear, and has the ability to double his power as well as other abilities. He seems to hate Albion, the White Dragon Emperor, though the reason for it is unknown. He gets along with Issei very well, but later on when everyone starts calling him the Oppai Dragon, he becomes extremely depressed due to his credit being demolished little by little. He has a great interest in Issei due to him never giving up and protecting the ones he loves. When he was with Issei when he died, he was devastated and told Ophis he was the greatest possesor of him, although he comes back along with Issei.

Tanninim
Tanninim is the Dragon Issei trained with in the Underworld and helped him become strong and attain his Balance Breaker. Issei and Tanninim have such a close relationship that Issei calls him "Uncle Tanninim". The two are really good friends and have fought numerous battles with each other. He was, at one time, a Dragon King and knew Ddraig before he was sealed. When Issei died, he was sad along with many others but rejoiced when he came back.

Ophis
Ophis officially met Issei at his house when Azazel invited them over to negotiate. At first, he was afraid of her because he thought she would destroy them immediately. Although she has no intentions other than to defeat the Great Red and return to her birthplace in the Dimensional Gap. At first, she took a huge intrest in Issei because of how Ddraig was and reacted with Issei and how his color had changed from red to crimson. In Vol. 12, she plays a big role in reviving Issei with the Great Red's help, and now stays with Issei forever because she is now a part of him, much to girls' anger. She officially joins Issei's harem in the same volume.

Issei's parents
Despite the fact that Issei constantly complains about his parents, Issei does love them deeply. In Volume 4, when Vali mention that he should try killing Issei's parents, Issei got so angry that he wanted to kill Vali on the spot.