Jin is the writer and illustrator of the manga series Precarious Woman Executive Miss Black General. The series began serialization in Fujimi Shobo’s Monthly Dragon Age magazine on May 9, 2015, and has been compiled into twelve tankōbon volumes as of December 2024. The manga is set to conclude with the release of its thirteenth volume in the summer of 2025. An original net animation adaptation of the manga was produced by the studio ReeeznD and directed by Isamu Ueno, premiering on the Anime Beans app in June 2017. The series is a science fiction comedy that follows the titular character, a villainous executive of a secret organization who harbors a romantic infatuation for her heroic nemesis.