Mizuki Mamoru's son. He is preparing for his university entrance exams, going to cram school. After seeing his father get beaten up by yakuza without putting up a fight, he turns truculent, but is snapped out of it by Kintarou. He treats Ryuta as his kid brother. (Source: AniDB)
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Mizuki Mamoru's son. He is preparing for his university entrance exams, going to cram school. After seeing his father get beaten up by yakuza without putting up a fight, he turns truculent, but is snapped out of it by Kintarou. He treats Ryuta as his kid brother. (Source: AniDB)
