Rin, Yuu, Koyomi and Keita are friends in high school who live in the same apartment building. Rin and Yuu like each other, but they don’t tell each other, until Kazuma shows up.
Kogure Nao is a shy and cute high school student. One day, Onise Taiga asks her "would you like to date with me on the promise that we will get married?" Nao is unable to turn down his ...