Thirty-something-year-old Ayako never expected her college-student neighbour, Takumi, to confess that he's in love with her. But now that he has and her attempts to dissuade him have failed, Ayako feels more torn than ever. That is, until her daughter Miu shares some shocking news - Takumi's already moved on to someone new! But if this is the development Ayako's been waiting for, then why does she feel so upset? And why is she spying on him while he's on a date with his new flame?!