Dia Horizon - Kimi no Tame ni Onee-chan ga Minna Koroshite Ageru, For You I Will Kill Everyone: Project Dia Horizon, Kimi no Tame ni, Oneechan ga Minna Koroshiteageru: Project Dia Horizon, Kimi no tame ni, oneechanga min'na koroshite ageru ~ purojekuto diahoraizon ~, 君のために、お姉ちゃんがみんな殺してあげる~プロジェクト ディアホライゾン~
University student Shinji, who felt trapped in life because he couldn't make progress romantically or with finding a job, was given a chance to reincarnate. Moreover, he was given a "fated partner" to be with. He wondered if a happy life would begin, but then it began -- an eternal death game where he must kill constantly, only ending when he finally is killed himself.<br/><br/>"Don't worry, Big Sis will kill you."<br/><br/>Joining the murder spree with "Sister" Hilde, who shows an unusual affection towards him... The death game begins with a bond forged in blood!<br/><br/>Aka : Ara Ara edgelord..<br/><br/>JP Site: <a href="https://magazine.jp.square-enix.com/top/comics/detail/9784757555730/">URL</a>