Makoto Tsukimoto, also known as Smile, is a reserved student in high school. He is accompanied by his outgoing and lively friend, Yukata Hoshino, whom everyone calls Peko. Both of them are part of the table tennis team and excel at it. However, Smile's introverted character keeps him from defeating Peko. The coach of the club recognizes Smile's potential and endeavors to help him develop a more competitive spirit.