is a Japanese manga series written by Homura Kawamoto and illustrated by Hiro. It began serialization in Shōnen Gahōsha's Young King Lambda online magazine in May 2022.
Plot An unnamed serial killer is caught and executed. A goddess offers him reincarnation, but he regrets killing innocent people because of his urge to kill. The goddess offers redemption because she previously reincarnated 12 people to another world with special powers to defeat a demon king, but after defeating him, they gave in to greed, sadism, and a lust for power and are killing and bullying the citizens. The serial killer is reincarnated into that world as a girl named Shirukyi with no powers other than a pragmatic fighting style and charged with killing the other reincarnators. Shirukyi revels in being able to kill people who genuinely deserve it.
Publication Written by Homura Kawamoto and illustrated by Hiro, Isekai Executioner: The Serial Killer in Another World began serialization in Shōnen Gahōsha's Young King Lambda online magazine on May 25, 2022. Its chapters have been collected into nine tankōbon volumes as of August 2026. The series is licensed digitally in English by Orange Inc.
A spin-off manga by the same author and illustrator, titled , began serialization in Shōnen Gahōsha's seinen manga magazine Young King on August 9, 2024. The spin-off's chapters have been collected into four tankōbon volumes as of August 2026.
Volumes
Serial Killer Isekai ni Oritatsu: Isekai Battle Royale
References
External links