Crashout Schoolgirl and Degen Teacher.

墜落JKと廃人教師

Crashout Schoolgirl and Degen Teacher (墜落JKと廃人教師, Tsuiraku JK to Haijin Kyōshi; lit. "Fallen High School Girl and Disabled Teacher" or "Falling High School Girl and Irresponsible Teacher") is a Japanese manga series written and illustrated by Sora. It was serialized in Hakusensha's Hana to Yume manga magazine from July 2017 to June 2024.