During a school event, Sawako finds a mysterious note in her shoe locker. Apparently, Ryuu has something to admit to her. Kurumi and Kazehaya intervene with the worst possible timing for Sawako...

Sawako finds herself once again over at Chizuru's house, where the group has gathered together for a night of fun. Suddenly, Ryuu's older brother, Tooru, arrives. Excited to see her crush, Chizuru leaps into his arms. And then she sees the girl...

Ever since Valentine's Day, a palpable rift has formed between Sawako and Kazehaya. Neither seem entirely sure why it is there, but they have trouble communicating as openly as they had been. Ayane and Chizuru try to intervene, but...