The Serial Killer Is Reincarnated Into the Another World.Isekai Executioner: The Serial Killer in Another World; シリアルキラー異世界に降り立つ; Serial Killer Isekai ni Oritatsu; The serial killer is reincarnated into the another world.; The Serial Killer Descends Into Another World; The Serial Killer Is Reincarnated Into Another World; Serial Killer Reincarnated Into Another World; Un asesino serial ha descendido a otro mundo; Serienkiller in einer anderen Welt reinkarniert; Isekai Executioner: O Assassino em Série em Outro Mundo