Kana Sumiya

Sora's classmate and Nami’s best friend. Kana and Nami are the only members of the cosplay club. She makes female outfits for Sora and Nami forces these outfits unto her brother. She has feelings for Sora but is too shy to confess them. She is unaware of Nami's feelings towards her.

It is later revealed that the one she truly likes is Nami.