Miya is single-handedly raising her son, Wataru. Perhaps because he is her only son, Miya ends up spoiling Wataru and is unable to let go of him, which has caused her problems. However, as Wataru reaches adolescence, he begins to find Miya's affection annoying... One day, Wataru is shown how much of a doting father Miya is in front of his friends, and he vents all his frustrations to his mother. The two then get into a fight, but living under the same roof without conversation is too suffocating...