Kanako often doesn't wear a bra at home. Whether it's because she dislikes the feeling of being constricted or simply wants to relax, she never clearly explains. For her father, this habit has become the source of an increasing inner turmoil. Though they're family, seeing his daughter's developing figure fills him with conflicting emotions—both psychological and physical. Life already brings its share of daily stresses, but this added tension leaves his mind in chaos. He knows his growing awareness of her is driven by desire, something he recognizes as wrong, yet feels powerless to control. This is a poignant story depicting a father's intense inner struggle.