Fast friends Yuna and Akari are complete opposites—Yuna is an idealist, while Akari is a realist. When lady-killer Rio and the oblivious Kazuomi join their ranks, love and friendship become quite complicated!

Saku Fujigaya would like to thank the boy who helped her, but all she has is a note signed “Ryosuke Sakura.” She discovers that a boy at her high school, Haruki Sakura, has an older brother named Ryosuke. She asks Haruki to deliver her thank-you letter to Ryosuke, but why does he refuse?

Daydreamy Iroha is too shy and anxious to talk to her high school classmates, so she finds solace in confiding in upperclassman Sou, who is always encouraging and supportive. With such a great friend by her side, Iroha just may have found a dream come true!

Iroha avoids the awkwardness she feels around her classmates by sitting outside and talking to Sou, the handsome boy she met at the library. However, one day a boy from her class discovers the secret she’s been keeping from everyone. Has Iroha found her perfect match in Sou, or just an illusory love?

Futaba Yoshioka thought all boys were loud and obnoxious until she met Kou Tanaka in junior high. But as soon as she realized she really liked him, he had already moved away because of family issues. Now, in high school, Kou has reappeared, but is he still the same boy she fell in love with?

Love and friendship have become quite complicated for these four friends. Yuna has fallen in love with Rio, but he has feelings for Akari that he’s never been able to express. While Yuna keeps his secret, Akari makes a move on the person she’s interested in.

Futaba Yoshioka has encountered her first love again in high school, but he seems different from the boy she once knew. Kou has confessed to Futaba that in junior high he liked her too, but he believes they can never return to those times. Kou continues to act both brusque and sweet. Will a leadership retreat bring them closer together?

Futaba Yoshioka has encountered her first love again in high school, but he seems different from the boy she once knew. Wanting closure, Futaba decides to confess to Kou and hear his response. Meanwhile, Toma has decided it’s time for him to pursue Futaba.

Futaba Yoshioka has encountered her first love again in high school, but he seems different from the boy she once knew. Futaba does her best to let Kou out of her heart. Toma and Futaba grow closer, and Kou realizes he doesn’t have much time to win her back…

Futaba Yoshioka has encountered her first love again in high school, but he seems different from the boy she once knew. With the help of his friends, Kou lets go of painful memories from his past. Futaba wants to get closer to Toma, but she ends up spending time with Kou.

Ninako’s friend Daiki throws her for a loop when he expresses romantic interest in her. She cares for him, but can she return his feelings? As she tries to sort out her confusion, Ninako realizes that there are many different facets of love—strange and wonderful sides…

Futaba Yoshioka has encountered her first love again in high school, but he seems different from the boy she once knew. The hearts of Futaba and Kou have aligned, but are more of their friends pairing off? The journey of youth concludes.