citrus

On her first day of school, Yuzu sees the student council president kiss her teacher; at home, Yuzu finds out that Mei is her new stepsister.

During their first night sharing a room, Mei kisses Yuzu; Yuzu can't get Mei off her mind, but Mei acts as if nothing happened.

After realising that she has feelings for Mei, Yuzu tries to make amends.

After confronting Mei about her feelings, Yuzu agonizes over not being able to face her; the student council vice president becomes suspicious.

After Himeko claims to have crossed a line with Mei, Yuzu gets competitive; at school, Himeko and Yuzu compete to see who will eat lunch with Mei, but Mei turns them both down.

Mei's father suddenly returns home; Yuzu tells Shou that Mei's been working hard at the academy.