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?

With the help of his friends, Kou lets go of the painful memories from his past. Futaba wants to get closer to Toma, but ends up spending time with Kou.

Kou asks Futaba to go on a date with him to the summer festival. But as the two grow closer, fellow student Toma Kikuchi sets his sights on Futaba.

At the cultural festival, Futaba and Kou kiss by accident and then for real. Futaba is on top of the world until she sees Yui in Kou's arms.

Futuba Yoshioka realizes her feelings for Kou are not because of who he was in the past, but who he is now. When she discovers that her friend Yuri has a crush on him, Futuba is unsure what to do.

Futaba wonders what happened between Kou and Yuri, but she's still determined to find out more about Kou's past and why he won't allow others to get close to him.

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?