It's spring, and Shohei's book is published. Natsumi runs into him at a bookstore, and they grab soba together. Things become tense when Kazuhiro and Fuyuko walk into the same restaurant. Shohei lets slip that he has plans to work with Natsumi. Kazuhiro confronts Natsumi about it at home, leading to an intense argument. Natsumi must face the hard truth that her romance with Naruo is fading.

Kazuhiro splits up with Fuyuko. Natsumi tells him that she is in love with someone else and can't live with him anymore.She moves in with Kyoko and starts visiting Naruo every day. Before long, it's summer, and Natsumi runs into Kazuhiro again at an awards ceremony. When the party ends, she chooses to visit Naruo instead of going out with colleagues. Is this really the life she wanted?