Yae is an unremarkable girl who temps for a living. She loses her home and job in one stroke and is, at 29, at her wits’ end. Then her childhood friend Takumi appears before her. A good-looking, successful architect, he lives a glamorous life. In exchange for free accommodation in his skyscraper condo in the heart of Tokyo, Yae acts as his fake wife?! This is the story of a fake marriage to a smug, handsome architect!
Yae is radiating happiness after Takumi proposes to her. That’s when Ayumu, the eldest Natsume son, comes to visit from NY. Just when they think they’re home safe after being at Ayumu’s mercy, Takumi’s parents come to Tokyo after hearing the news from Ayumu! They hurriedly announce their marriage to them and go to greet them, but then they find out there’s a Natsume Family rule that prevents them from having a wedding…?!