The protagonist falls down a manhole, and gets transported to another world. While wandering the unfamiliar country, she is chased by thugs, and saved by...a killer?

Note: Isekai Trip-saki de Tasukete Kureta no wa, Hitogoroshi no Shounen deshita. was originally released as a web comic on DLsite from November 3, 2020 to May 28, 2022. An official version of the series was published by Ichijinsha on December 28, 2022.