Megumi’s every thought pulses with desire as she pours her loyalty—and her body—into supporting her struggling actor husband, Kazuo. Their modest home brims with unspoken yearning, each tender kiss at night a reminder of passion simmering beneath routine. When Kazuo’s dazzling star brother Ryōji arrives, Megumi feels his evil gaze tracing her curves, his breath hot at her ear. Left alone together, Ryōji’s hand drifts along Megumi’s arm, igniting a wildfire of forbidden heat that surges through her veins. Their stolen glances become urgent kisses; his fingers map the soft valley between her breasts as her sighs echo in the silent room. Caught in the throes of decadent temptation, Megumi teeters on the edge of a choice that could shatter her vows—and unleash every secret craving she’s ever held and become a pure sexual beast.

Naoko, female art teacher suffering from bipolar disorder spends her time at home compulsively chopping cabbage. She occasionally then begins cutting herself, causing her husband, Yoshio, to intervene. Yoshio attempts to help Naoko by dressing as a woman, "Yoshiko", in whom Naoko can confide. Yoshio has a low sex drive, and hopes to stimulate his interest by having Naoko dress as a school girl. When so attired, shopping for appropriately adolescent socks, Naoko meets Kimiko, one of her female students. Kimiko's parents have abandoned her, and she stays with a strange man named Tokio. Naoko suggests that Kimiko come to live with her. At their home, Kimiko proceeds to seduce both Naoko and her husband. During a sex session with Yoshio, she binds him and paints obscenities onto his body.

在女性杂志社工作的洋子（麻田真夕饰）和丈夫朝雾（本多菊次郎饰）以及同父异母的妹妹和美（藍山みなみ饰）一起生活，一天，杂志社的编辑长黑岩（伊藤猛饰）让洋子对裂口女都市传说进行采访，而负责的加藤在三天前失踪，突如其来的工作让洋子感到疑惑，不过在加藤的办公桌上发现了大量采访报 告，在此过程中产生了兴趣。一方，みさお（華沢レモン饰）与和美的男朋友孝次（真田幹也饰）来到了流传裂口女传说而变成废墟的根月医院中取材，当二人进入病房时，みさお开始诱惑孝次，然后孝次忍不住诱惑于是跟みさお做爱，这时，裂口女出现在两人面前。。。.第二天，みさお从自家公寓跳楼的尸体被发现，洋子取材中，裂口女传说的真相也慢慢...

6年間付き合ってきた男に振られた、三十路間近のOL友美は、ひょんなことから出会った二十歳の学生タカオと恋におちる。セックスに明け暮れ、愛しあう毎日のなか、掴み所のない彼の性格や、自身の年齢に不安を感じていく友美。二人の恋の行方は……。