Can I quit being your daughter?

25-year old Mizuki Hayase and her mother, Akiko, are close. Maybe too close. But Mizuki doesn't notice until she begins seeing Matsushima, the sales representative of the Hayases' new home. As she develops a close relationship with someone other than her mother, Mizuki realizes how she had spent her entire life looking for Akiko's approval. When Mizuki begins to distance herself from her mother, Akiko becomes increasingly meddlesome, trying to break up her daughter's relationship. Then Mizuki decides to leave the house, prompting a desperate Akiko to attempt suicide.