Kahori's husband has grown distant, leaving her—a mature, voluptuous married woman—aching with unmet desire. To soothe the loneliness of daily life, she indulges in erotic comics, losing herself in lewd fantasies while masturbating. One day, her secret is exposed when her neighbor, Morita, finds the discarded comics she threw out as trash. Learning of Kahori's sexual frustration, Morita devises a plan to exploit her emotional vulnerability. As he begins to draw closer, stoking the flames of her loneliness and longing, a provocative new chapter unfolds.