Natsuya Kirishima

Natsuya Kirishima (桐嶋夏也 Kirishima Natsuya) was the junior high student who debuted in the second volume of the light novel High☆Speed! written by Kōji Ōji. He is the big brother of Ikuya Kirishima.

Appearance
Natsuya is a relatively tall and muscular young man with short, slightly shaggy brown hair and orange eyes. He and his brother, Ikuya, do not look particularly similar but do have the same color eyes.

Personality
Natsuya appears nice, friendly and approachable, he's also really caring towards his little brother Kirishima Ikuya. He's really persuasive too, and competitive when it comes to swimming. He gets mad easily when Haruka talks about swimming free, and not doing a relay. He also really cares for Nao, his bestfreind and also, manager of the boys.

History
Natsuya isn't liked by his little brother Ikuya, because he told him to make friends other than him, and Ikuya thought that, he has abandoned him, but at the end, Ikuya finds out from Haruka and the others, that his brother only said that because he really cares for him, and Ikuya made up with Natsuya, and Natsuya was really proud of him at the relay race.

Relationships
He appears to have a good relationship with Nao.