With five romantic partners, Momoe is still as addicted to love as ever. But with her age creeping closer to 30, she also has marriage on her mind.

Matsuda agrees to become Ako’s live-in boyfriend during his week off work. But when the week comes to an end, so too will their relationship.

Despite her lingering romantic interest in another man, Momoe grows closer to her new roommate and increasingly looks forward to seeing him at home.

Touched by Hayashi's unexpected kindness, Kozue asks him to be her boyfriend. Hiyama finally goes on his long-awaited hot spring date with Kokoro.

Momoe feels awkward around Matsuda at the office. Meanwhile, Ume takes a nasty fall while hiking in the mountains and desperately calls for help.

Though his beautiful, long-term girlfriend persistently drops hints about marriage, Mr. A can’t stop thinking about his time with Momoe.

A startled Ume struggles to respond to Shiraki’s unconventional proposal. Hayashi finally decides to be with Kozue, but he makes a shocking discovery.