Light Novel Volume 18

Funny Angel of the Christmas Day is the eighteenth novel of the High School DxD series. It is the sixth novel of the Legend of Oppai Dragon and his Lively Companions arc.

Summary
―○●○―

(From Kadokawa Shoten):

The self-proclaimed Angel, Irina, will make a miracle happen on Christmas Eve!

Because of a consultation about Christmas, Issei and co. ended up going to Heaven During such an event, an incident occurs in which the Exorcists begin to die continuously in a strange way. It turns into an a huge incident which drags Irina into it...... The self-proclaimed Angel will use her wings to fly!

Alternative Synopsis:

—This is something that happened several years before Issei Hyoudou and Rias Gremory met.

—The story of another Longinus that happened in a certain place.

That may have been a dream or illusion for him. But it certainly is left there within his memory when he was a child.

—It was a black Angel.

The man who had black wings sprout from his back. The man then says it while finding it amusing.

".....I see, so you may be the one. If that is resided in you, your world will change eventually. Oh well, don’t despair about it, alright? After all, you are—"

「You are the only one that represent the "God" among the thirteen of them. Even if that happens to be a false God—”

The story of the 『Dog』 will be unleashed—.

Returning Characters

 * Issei Hyoudou
 * Rias Gremory
 * Akeno Himejima
 * Koneko Toujou
 * Asia Argento
 * Yuuto Kiba
 * Xenovia
 * Irina Shidou
 * Gasper Vladi
 * Rossweisse
 * Ravel Phenex
 * Sirzechs Lucifer
 * Azazel
 * Gabriel
 * Ladon
 * Griselda Quarta
 * Michael
 * Crom Cruach
 * Cao Cao
 * Dulio Gesualdo
 * Walburga
 * Rizevim Livan Lucifer

Quotes

 * "Please give me the power to save my Dad.....to save everyone.....!" - Irina Shidou
 * "So you must be Irina's father. Indeed, you certainly do resemble her." - Xenovia *"We will now announce the new President and the new Vice-President of the ORC." - Akeno Himejima
 * "I don't mind dying for my comrades. Though I won’t get killed without putting up a fight." - Yuuto Kiba
 * "I do feel bad for using up Ise-sama's private time as his manager, but this is all for Ise-sama!" - Ravel Phenex
 * "If we don't take back Agares, the Underworld will be in midst of chaos. Something which can cause that to happen is in there." – Maou Sirzechs Lucifer
 * "I-I know about it! For X-mas in Japan, you have to give yourself to the man you have a liking to as a present!" - Asia Argento
 * "The Heaven will use those techniques to make the baby-making between Angels and Devils possible!" - Azazel
 * "Ufufu, everyone. For the great Christmas strategy, please do your best." - The Most Beautiful Woman in Heaven, Seraph Gabriel
 * "We will be giving out presents during X-mas together with the Angels." - Rias Gremory
 * "Santa won't come to erotic children." - Koneko Toujou
 * "I see, so you prefer a Santa with a short skirt, Ise-kun? I see....." - Rossweisse
 * "This sure is interesting! Your destruction and my barrier, let's have a battle to decide which one is stronger!" - Evil Dragon Ladon
 * "The circumstance this region had in the past, it seems like it is deeper than we can imagine." - Sister Griselda
 * "''It has been a while, Lilin. —I won't show mercy to you. - Chief of Angels, Michael
 * 《Bring it on! I will even take on close-combat! Except, don’t think you will be fine after this!》 - Gasper Vladi
 * "Fight me. I may be able to find the future that the Dragons must head to after defeating you." - Evil Dragon Crom Cruach
 * "I'm someone who has fallen once already. It will be too early for me to be stand up once again. —But I sure would like to fight you again, Hyoudou Issei. But before that, I'll just have some fun with the Evil Dragon hunt." - The Vanguard of Sakra, Cao Cao
 * "I can't allow you to do as you like any further than this. Well, I am the leader after all." - Joker Dulio
 * "Ufufun♪　It sure seems interesting！To be able to burn an Angel with my Cross!" - Purple Flame Walburga
 * "Our souls will be saved if we kill all of you! Now then, disappear, Supernatural Beings that have formed an alliance in this cursed town!" - The Revenger that carries the Ame no Murakumo no Tsurugi
 * "I won't allow you to kill my Dad, and my comrades! So please lend me all of your strength! My new power! And also Xenovia, Asia-san, and Ise-kun!" - Michael’s Ace, Irina Shidou
 * "Uhyahyahyahaya! Dance, and dance more. Seriously, the Devils and the Heaven sure are carrying quite a nuisance with them♪" - The Leader of Qlippoth, Rizevim Livan Lucifer
 * "I think I finally came to understand his, Vali's.....feelings. You are the one person I can't forgive. Rizevim, I will knock you out!" - Sekiryuutei Hyoudou Issei