Mei is Youheis younger sister who loves Youhei as a brother and lives in the countryside. Mei is a smart girl and likes to see new things. She is a fan of Yusuke Yoshino an older male graduate from Tomoyas school who is a member of a band. Worried about her brothers situation she calls Youhei but instead of her brother Tomoya disguised as Youhei tells her to come. Meis personality is a direct opposite of that of her brother Youhei. She can be very nosy about things like trying to further Tomoyas relationship with Nagisa by becoming their cupid angel or learning Youheis current situation.