I Reincarnated As The Little Sister Of A Death Game Manga's Murder Mastermind And FailedDeath Game Manga no Kuromaku Satsujinki no Imouto ni Tensei shite Shippai shita; デスゲーム漫画の黒幕殺人鬼の妹に転生して失敗した; 转生成了死亡游戏黑幕杀人鬼的妹妹简直大失败; I Reincarnated as the Little Sister of a Death Game Manga's Murder Mastermind and Failed; Tôi chuyển sinh thành em gái chủ mưu trò chơi sinh tử, và thất bại thảm hại

One day, Mai remembers that her perfect stepbrother is a character in a death game manga, and that one year later he will hold a death game involving all of his classmates, killing his sister in the process. Mai plans a variety of surprises for her stepbrother every day based on what he said in the manga, "Nothing unexpected happened, so I was bored," but as the days go by, he begins to show abnormal signs... Only I know what my brother's really like. Pepu's comicalization of Inada Sou's popular web novel!