One day, a mediocre high school girl, Koumoto Umi, falls in love with Segawa Shou, a beautiful woman in her next class. Although she was confused by her feelings, she wanted to get along with Segawa, who had...

A 14-year-old is going to confess to her senpai who is graduating. The next morning, she wakes up as a 29-year-old single woman, living with 3 sisters: a high schooler, a middle schooler and an elementary sc...