Ouryuu Nakiri

Ouryuu Kouchin Nakiri, born as Ryuuta Nakiri, is a first-year student and the secretary of the Student Council at Kuoh Academy. He is also the heir of the Nakiri Clan.

Personality
Ouryuu is shown to have a calm and friendly as he appeared to the Occult Research Club. He was also very kind as he doesn't discriminate Devils and treats them respectfully. He holds a strong admiration towards Issei Hyoudou and considers him to be his role model.

The Legend of Oppai Dragon and his Lively Companions
Ouryuu was mentioned in Volume 19 as one of the new members of the Student Council and it's secretary under Xenovia Quarta

Red Dragon Emperor of the Blazing Truth × White Dragon Emperor of the Morning Star: The True Dragon(s) of the Kuoh Academy
He makes his official appearance in Volume 22, where he appears to the Occult Research Club and deliver the documents to Xenovia. He greets the members of the club and was quite aware that they are devils and angel. He says he's been given a reckless from Ajuka Beezelbub to search the remaining Longinuses Innovate Clear and Telos Karma. Ouryuu then bows his head and expresses his admiration for him and possessing the Boosted Gear of the Welsh Dragon and overcome many dangerous situations.

Powers & Abilities
Immense Strength: Ouryuu is shown to be very strong as he able to go toe to toe with Issei during training. Xenovia commented that he's on different league among those with special powers.

Touki: Ouryuu gets covered by touki and his attack, defense, and speed increases drastically. He becomes so fast that he closes his distance with Issei and he remarked that even a high-class devil will be toyed around with that speed.