Enma no Hanayome to Kimetsukerareta Fukou na Ore no Jinsei Keikaku
えんまの花嫁と決めつけられた不幸な俺の人生計画
Onizaki Teppei, a first-year high school student, hopes for a simple and uneventful school life. His quiet plans are disrupted when a mysterious girl named Mitogawa Enma arrives and announces her goal of finding a fiancé at the school.