Natsukawa Yuna lives with her busy junior high school teacher mother and her rebellious junior high school younger sister, Nana. She has her hands full with her family, house chores, and her part-time job, but one day she meets a beautiful younger boy in the midst of trouble. The destined love to unfold everything is now in motion!

Riko started a wonderful high school life with literary and military arts. But she has the feeling she'll get in troubles. The low grade Kurose Yui is a pervert and an uncool boy. He's detestable! And then he stole the chair of the school principal's son who's the best student. He will even find out what Riko dream about….

When Hana was a child visiting her mother's grave, she got to know a young boy named Yuzuru. He was Hana's first love. When she heard that he ended up moving away, she thought that it wouldn't be possible to see him anymore, but…?

You are the "first" of everything for me who is afraid of guys. A 7th grade girl by the name of Mirei is not allowed to do anything after school due to her strict parents, but one day she goes out on her own after her mom has left for work. That day, she meets a boy that seems to be younger than her. What will become of this meeting?

Third-year high school student Aya, who's secretly afraid of water, manages her high school's swim club. It's her last summer as manager and her final time managing the swim club for the Inter High Meet, but perceptive Takeru figures out her secret.