Temperature of a Kiss

Everyone panics when it looks like Fuyumi tried to kill herself. Kuga patches her up. Sô-chan says he'd break off with someone he couldn't make happy, and Natsuki agrees. A drunk Fuyumi kisses Kuga. Natsuki gets angry, and storms off, but Kuga goes after her, and kisses her for real. Natsuki calls home. Sô-chan answers, and finds out she is with Kuga, and won't be coming home.