Keito's childhood friend who visited her everyday after school following her incident, as Sunny, because she did not attend school. He lives near a park that Keito regularly attends and one day he finally talks to her. Taiyou plays soccer for his high school team and carries the same goal he had when he was younger, to play soccer for Serie A. He recognizes Rei and convinces him to be his team's coach. The team's manager, Hirano, becomes his girlfriend early on in the series, much to Keito's dismay.