Aoi Tezuka (手塚 葵, Tezuka Aoi?) is the fourth member of the Tezuka family and is 10 years old. She transfers into Yuta's class and is seated next to him, later becoming pen-pals with Kurumi, a girl who bullied her out of jealousy over Yuta. She has developed a strong attachment to Taisuke during the two-year timeskip. She is also a power user, which apparently allows her to run quickly and resistant from getting hurt from long falls. Growing tired of being left behind she demands to be part of the team.
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