"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?

While obeying his master's orders to annul his engagement, An Buran awakened memories of his past life. He had transmigrated to a fantasy world of immortals and heroes, becoming a major villain! He possessed double pupils and a cousin with immortal bones, whom his mother might one day bring to him. He was inherently cold and indifferent to everyone, especially his sister An Buran, whom he treated harshly, beating and scolding her mercilessly! Even his mother's chosen child bride was treated like a servant, a prostitute, a slave. A pure egoist, he would stop at nothing for resources, even harming his own senior sister, causing her to lose her position as the chief disciple. ...In despair, he fortunately awakened a system. To pull back from the brink and survive, An Buran decided to fight against fate!