Locked out, 30yo Natsuki is helped by 25yo Sôichirô. Natsuki's marriage intro goes awry, but Sôichirô comforts her, takes her up in a plane. Back at Haruko's, she introduces to Natsuki and Fuyumi her brother, Sôichirô.
Nazuna shows up to return Sôichirô's coat, and thank him. Nazuna and Sô-chan go on a date. Natsuki bumps into Kuga her former tutor, now a doctor. Natsuki waits for his call in Sô-chan's room. Sô-chan wonders who she is waiting for.
