Class Zenin Ore no Yome: "Watashi-tachi no Karada wa Anata no Mono" Joshi Zenin Pet Sengen  

クラス全員オレの嫁～「私達のカラダは貴方のモノ」女子全員ペット宣言～

Fuyuki is a high school student who lives alone. One day, while using his phone, he accidentally calls a devil named Mel. She demands his life but he refuses. They engage in battle and Fuyuki wins by chance. Afterward, she concedes defeat and grants him one wish. He wishes for the girl he loves to love him back. However, Mel misunderstands this request and casts a spell that makes all girls who like Fuyuki fall deeply in love with him. The next day, Fuyuki wakes up to find that all the girls at school are behaving differently towards him. They're constantly trying to get close to him and showering him with affection. According to Mel, all girls now love Fuyuki. But he knows it can't be true because she misunderstood his wish. Thus, Fuyuki's extraordinary high school life begins.