花織さんは転生しても喧嘩がしたい
Hanaori-san Still Wants to Fight in the Next Life
Hanaori-san wa Tensei Shite mo Kenka ga Shitai
Comedy · Romance · Supernatural
Once the Demon King, now a shut-in NEET—Ryuusei Narukami’s second life is anything but peaceful! When Meteor Hanaori, the Hero who once defeated him, suddenly returns as a normal high school girl, his world is thrown into chaos. Determined to change, Ryuusei reenters society as a teacher and ends...
Synopsis excerpt via AniList, originally from Crunchyroll.