A murderer who cannot stop the urge to kill people, even though he wants to stop, receives the death sentence he wants. His joy is short-lived, as he is reincarnated in another world. The mission entrusted to him by the goddess is to kill 12 reincarnated people using his murderous impulses. Not all reincarnated people are saints! 人を殺したい衝動が止まらない殺人鬼の男は、望んでいた死刑が執行されて喜んだのも束の間、チートスキル無しの女性・シルキィとして異世界転生してしまう。彼の生前は九鬼櫻子の弟且つ連続殺人鬼だった。そして姉の九鬼櫻子も転生者同士の殺し合いに聖女・ミリアを巻き込み参戦するが!?大ヒットシリアルキラー異世界バトルロワイヤルのスピンオフ!!