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 out he's a senpai at her school!? Reunited, Urara believes it must be fate. But before she can take action, his childhood friend Misono-kun tells her "I won't hand Aiji-kun over to you." What will she do?

After being forced by her teacher, Naruse must take the materials to the art room. When she arrives, she meets her classmate Okachimachi. Her first impression is that he is a mature and kind boy... or at least that's how it seems, but after praising his painting, he reacts very differently from the mature guy she first believed him to be. Thinking that it will not be necessary to talk to him again, after an incident she happens to discover Okachimachi's big secret, which will bring more than just confusion. An exciting school life is about to begin!

It started like any other day until you turn around... Nanakusa Mihoro, 2nd Year of High School a big sister with big responsibilities... Miyao Chiei, First Year of High School the man that so happen to turn around.

Nobara Mochizuki is a second-year high school student who has yet to fall in love again.The teacher asks her to help out with the supplementary lessons, and there is a student Setohara-kun, who has a lot of bad rumors about him...!?