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.

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.