Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.
Kunihiko longed for his ability to run and swim quickly when he was a child. However, as he grew older, he became unable to keep up with his studies. Furthermore, due to family circumstances, he began to rise from around him, and finally he began to hang out with his bad friends. He was trying to return to the right path by scolding Kunihiko for his ability to do so, but one day he is told by Kunihiko that he is going to get married. He is a child born between two people who are kind and understand his true ability. When Isamu had a happy family, Kunihiko realized that his attachment was 『 Koi 』. Even if he realized it now, there is nothing he can do about it, and this feeling was supposed to end with hidden in his heart. It also contains "Toothache" from the viewpoint of Shunichi, the son of Isamu, and "Decen-ai" (Ten years of Love) which reads the future of the love between the three and Shunichi.