Eriko chose marriage while her husband was consumed by his career, leaving her to handle family matters alone, and her daughter Izumi was the pride of her life. But as Izumi reached adolescence, she began spending more time with her boyfriend Daisuke than keeping promises with Eriko. One day, Eriko caught Izumi and Daisuke making out in her room and exploded in anger. After that incident, Izumi stopped speaking to her mother, and their relationship deteriorated further. Desperate to mend things, Eriko invited Daisuke over for a talk, but her efforts backfired, ultimately destroying their bond completely.