Mizuhara Riku is a 1st year from Nekochiya. He lives in the same pension house as Ten, Chiaki, and others.
Riku has a very outgoing and warm personality, completely the opposite to Chiaki. He is often mistaken as a player since he goes out of his way to praise and make happy to all girls he encounters, often calling them 'cute'.
Relatives:
Relationships: (Major spoiler)
