Rei is Nagisa's classmate. He is handsome and intelligent, but is often manipulated by Nagisa for some reason. He is heavily attracted to all things beautiful, both tangible and non-tangible, and will do everything in his power to avoid things he claims "aren't beautiful". He used to be on the track team. He refuses Nagisa several times when asked to join the swim club, because he did not think swimming was beautiful enough. He joins the swim club because he admires Haruka's beautiful freestyle swimming. He is initially unable to swim, but with some advice from Haruka, manages to learn how to swim. Out of all the swimming styles, Rei can only swim butterfly.
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