"You're gonna regret it if you stay with me." Oshima heard the rumors that his boyfriend, Hiyama, is quitting baseball. Upon hearing the upsetting news, and after being told that he's a nuisance to the baseball team and his boyfriend's career, he tries to convince Hiyama to stay on the team. What will happen to their clumsy love story after they graduate high school?!

In a small town by the sea, Shio spends peaceful days helping out in his family’s shop. But he has always been troubled over his barren relationship with a married person(sex friend). One day, he meets a young boy, Someto who moved from the city. His relationship with his mother was strained, and Someto ran away to the countryside, trying to heal his heart. Shio then came to look after him as a “nice elder brother”. However, he gradually realizes that his emotions are beyond that. On the other hand, Someto has begun yearning the gentel Shio. But he happened to see Shio kissing his sex friend, and he came to find out about his “adult” side …? A naive lonely boy X a caring beauty who tends to be swept away, The two immature people slowly get to know love.

Yamamoto was in love with Minowa, but never confessed to him. After meeting again at a high school reunion, they get drunk and go to a love hotel in the spur of the moment. But when Yamamoto wakes up, he finds himself in his old home, ten years in the past! While he needs to find a way to get back to the present, Yamamoto also wants to lay his regrets to rest. "This time, I'll say what I couldn't say on the day of the school festival..."

With a deep gaze, Oshima received a confession of "I love you!!" from his classmate, Hiyama. And naturally, astounded by his confession, Oshima rejected him as he didn't believe in love between men and that made Hiyama become discouraged. Trying to face with an earnest feeling, he's immediately become interested in Hiyama. However, Oshima can't be honest with himself… Are they friends? Or lovers? Be that as it may, their relationship will change!!