Sisters Natsumi Kitahara and Azusa Kirihara harbor deep affection and desire for each other, gradually forgetting their roles as married women. As they become lovers drawn to each other's bodies, their eroticism spirals out of control, throwing their households into chaos. Their husbands are no longer mere obstacles but instead become sources of arousal. Unaware of the consequences, the sisters entangle their husbands in their affairs, dismantling family order and forging new, twisted relationships. This work is an intense, shocking love story depicting the collapse of familial bonds amid a whirlpool of desire.