Eiko has raised her son Hiroshi single-handedly since her husband died. Eiko loved Hiroshi, who was very obedient and healthy, even though he wasn't cool. However, there is only one drawback to Hiroshi. That is "weak in the morning". One day, Hiroshi overslept on an important day even though Eiko woke him up. And then the two get into a big fight. It's been a few days since he stopped talking to her... Hiroshi realizes how grateful Eiko is for something.
