He transmigrated to the world of High School DxD and obtained a god-level achievement system. Just as he was considering how to achieve his goal, Orpheus suddenly spoke up. "Let's have a child together." [Ding, congratulations to the host for completing the seven-colored achievement, "Orpheus actively invites you to have a baby!"] [Congratulations to the host for obtaining the achievement reward: Kabbalah Tree!] The Kabbalah Tree, ten primordial elements, four worlds, twenty-two paths, three pillars! Crown, wisdom, understanding, compassion, strictness, beauty... a kingdom! Activity, formation, creation, outflow! "Divine Armor, tenth level! Spiritual reversal, tyrannical ruler!" "This ending, I will never accept, I will never allow! Let it flow into the entire universe, my tyranny, my reason! Let all things restart, eternal return!" "..." Orpheus looked completely innocent: "I just wanted to have a child to defeat the Great Red, why did it turn into..."

After being transported to another world, he became a blond-haired guy. He acquired a Yorozuya (oddball) business where he had to accept requests from girls. "Request One: A Date with Shizuka" – He helped her find a girlfriend and received a 3D Maneuver Gear in return.

Lin Ye's confession failed, triggering the 'Super Dimensional Character Identity System'. On the surface, he's an ordinary student at school. Secretly, however, he possesses an identity known to everyone in the world: Pokémon Master, Giant of Light, Gundam Pilot, Top-Grade Chef, Prince of Tennis. "I confessed." "But none of them accepted." Then, several inboxes associated with his [Character Identity] chimed with notifications. Yukinoshita: There's a cat and dog show next week; I bought an extra ticket. Kasumigaoka: My new book is stuck in a rut; I'll come to the hotel tonight to help. Sora Ginko: Father [Leaf Reincarnation]

"Do you know the correct way to use the Mystic Eyes of Death Perception?" "Precise attack lines and points?" "No, no, no~~~" The young man waved his hand and pulled out a rocket launcher from the cello case on his back... This is a story that singles out high schools from various anime and game works, focusing on battles, "romance," battles, dark sides, pseudo-daily life, true apocalypse, and mutual sabotage. These include, but are not limited to, *Private Fujimi Academy*, *Jinshiro High School*, *Private Ashford Academy*, *Koh Academy*, *Mahora Academy*, *Totsuki Academy*, *Tokiwadai Middle School*, *Nagatoshi Academy*, *Prefectural Misaki High School*, *Homura Academy*, *Sayanan High School*, *Toyonosaki Academy*, *Private Paradise High School*, *Crows Zero*, *Toudou Academy*, *Shohoku High School*, *Karakura Daiichi High School*, *Ouran High School Host Club*, and many more. Can you recognize which works these high schools are from?