Ophis is the Dragon God known as the Ouroboros Dragon and the Infinite Dragon God. She is one of the most powerful dragons in existence.

Being born from nothingness, Ophis rarely shows any sort of emotion, only wanting to get rid of the Great Red and return to the Dimensional Gap to obtain "silence".

(Source: Highschool DxD Wiki)

The third season of High School DxD. 
 
The Red Dragon Emperor, Issei Hyoudou, and the Occult Research Club are back in action as summer break comes for the students of Kuoh Academy. After their fight with Issei’s sworn enemy, Vali and the Chaos Brigade, it is clear just how inexperienced Rias Gremory's team is. As a result, she and Azazel lead the club on an intense training regime in the Underworld to prepare them for the challenges that lie ahead. 
 
While they slowly mature as a team, Issei will once again find himself in intimate situations with the girls of the Occult Research Club. Meanwhile, their adversaries grow stronger and more numerous as they rally their forces. And with the sudden appearance of Loki, the Evil God of Norse Mythology, the stage is set for epic fights and wickedly powerful devils in High School DxD BorN! 
 
(Source: MAL Rewrite)

__Agency:__ Hibiki

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**Non anime roles:**
~!- Unzen - Azur Lane (VG)
- Sangonomiya Kokomi - Genshin Impact (VG)
- Match - Kirara Fantasia (VG)
- Pinkie Pie - My Little Pony Friendship is Magic (TV, JP Dub)
- Rapunzel - Goddess of Victory: Nikke (VG)!~

Megan Shipman is an American voice actress.

The fourth season of High School DxD. Issei and the 2nd years attend a class trip to Kyoto for well-deserved relaxation, leaving the senior and junior class students of the Gremory family behind. However, once there, they fall under attack and must win without Rias or their other powerhouses. (Source: Anime News Network) 
Includes episode 0, Taiikukan-ura no Holy.

Hyodo Issei is a (perverted) high school boy. When he goes out on a date with his first girlfriend Asano Yuma, he is killed by her. Her true identity is Reinare, a fallen angel sent by a secret society Grigori to eliminate dangerous divine weapons. Issei is reincarnated as a devil by his senpai Rias Gremory, a Duke of Hell. Issei serves as Rias's low rank devil and fights against the fallen angels.