Kusunoki Azuki and Daizu are close siblings who live in the Arisuno apartment complex. Their next door neighbor is Azuki's childhood friend Tachibana Chika, who has feelings for her. One day, two brothers who are close to their ages, Hiiragi Mizuki and R

In her first year of high school, Urara Andou fell in love at first sight with the kind stranger who saved her on the train. Too flustered to ask for his name or contact information, she swears to take action the next time she falls in love. But it turns