her mother

Izumi was the proud daughter of Eriko, who was married to a husband who was all about work and didn't care about the family. However, as Izumi has gotten older, she has been putting aside her promise with Eriko and spending more time with her boyfriend, Daisuke. One day, Eriko, unable to see Izumi and Daisuke flirting in their room, yells at them. Eriko calls Daisuke to her house in an attempt to mend her relationship with Izumi, who hasn't spoken to her mother since that day, but that thought turns into an enemy...