Atsuya Kirishima

Tentang

Sanae's cousin who has romantic feelings for her.

He questions Sanae about her relationship with Hanabi, asking her if she is really in love with Hanabi or is only sexually attracted to her. After Sanae decides to give up on Hanabi, she tells Atsuya that she will trust him more. In Decor, he again confesses his love for her after graduation and promises to be her support even if she rejects him, which makes Sanae depressed, since she highly appreciates his support, but can not reciprocate because of her sexual orientation.