Sankaku Opera

1-3 I Episode 0 **Who is "I" ?** "I" who has lived like a machine gets the name "Ito" from the prostitute named Kyousuke. This is the beginning story of "Ito" and "Kyousuke" -. 4. **Refrain** 5. **Parallel World** 6. **Never Gone** Takes place before and then picks up after the events of [Itou-san](https://mangadex.org/title/8fb6c812-63fc-49e8-bdba-149a20d3d2dd/itou-san).

Sadaki Kaoru, an earnest Literature professor who comes from a prestigious academy, hides in his heart the one-sided feelings he has for someone. One day, thanks to drawing the attention of the school troublemaker ‘Shou, the informant’ his secret is revealed. In exchange for Shou’s silence, he’ll have no choice but to have sex ‘till the point of exhaustion. The day-to-day of being raped by a young student begins!

“Would you mate with me?” In a world where social class is completely decided by race, Shigure, who was promoted to a Holy Knight despite being born from the lower wolf race, meets Kyrie of the cursed snake race Katara in a church and believes that he is the messenger of God. He develops a love for the snake and this eventually turns into an uncontrollable passion

Azure, the founding father of vampires who has lived since time immemorial, is challenged to a fight by Shuuya, a vampire hunter who makes no effort to conceal his hostility. Interest piqued, Azure proposes a game. Should Shuuya come to love Azure by the time the red spider lilies wither, he shall become a bride. Should Shuuya’s feelings remain unchanged, his wish shall be granted. What will become of Shuuya, fiancé to the strongest vampire...!?