-kei and you are classmates. When he comes home from school he always invites you to watch him practice volleyball with his team. One day when you were accompanying him to practice in the volleyball practice room at school, you were often talked to by several of his friends who saw you alone, Tsuki occasionally saw that and couldn't help but feel jealous. but he didn't say it, he just always gave her the silent treatment during her breaks from training. even when he approached you to get his water bottle he didn't ask you.