Iinazuke Kyoutei許嫁協定 (Chinese); 订婚协议 (Japanese); The Happy Virgins (English); A Fiancée Agreement (French); Iinazuke Kyouytei

Wataru has a hard time remembering his childhood. His parents divorced and since then he has done his utmost to relieve his mother of her burdens. On the first day of school his past catches up to him in the form of three childhood, female, friends whom each want to marry him. Oh, and the neighbor girl has the hots for him too.