A new marriage puts our hero in the midst of a bounty of beautiful women. It won't be long before his gives them all a taste of his sword!

Yoshino Kanako is happily married to Tomoya and they are preparing to have a child together. Everything is going great until Kanako meets with her father-in-law, Makoto, whom Kanako is already familiar with unfortunately... Something she never disclosed to her husband is that seven years ago she prostituted herself to abusive Makoto. Fortunately for Kanako, Makoto agrees to keep the secret on the condition that they re-establish their intimacy.

Junko lost her husband about ten years ago, and she has been bringing up Ryouichi, her son, alone since then. One day, when he is asleep, she secretly gives him a blowjob and has sex with him. Two years later, she gets remarried. One night, Ryouichi accidentally sees Junko and his new father having sex. He remembers what happened two years ago and feels an irresistible impulse to get her back.

To relieve herself of the pain of her unsuckled mother's milk, she takes a job as a wet-nurse. But she is abruptly dismissed when she is found to be "too attached" to her young charge...Years Later, Kyoko tells her teenaged daughter Marika that she breast-fed one of her classmates, a boy named Toji, and brings him home for dinner. Kyoko and Toji's passion for each other is reignited, while Marika can't get her new "big brother" out of her head.Discovering the truth about Toji and Kyoko, Marika demands that Toji choose between them. Little does she know that her mother has a way of becoming violently jealous.

Yukiko is a young wife who is feeling lonely and unsatisfied. Her husband Koichi won't satisfy her needs, and in fact they sleep on separate beds. To add to her frustration Yukiko finds some pictures on her husband's cell phone – pictures of an unknown naked woman; also one night she sees her two children – who are not related by blood – together in bed.Yukiko spends her time at home trying to satisfy her needs on her own. Until one day the father of her husband comes to visit and sees her in compromising situation. That's when things in her family start to change…

Takeshi Ninno appears to have a normal relationship with his stepmother and stepsister, Shino and Shinobu Oshino. However, behind closed doors, he and his stepmother have an illicit relationship where she forces him to engage in sexual activities with her. Troubled by the acts he is compelled to perform, Takeshi wishes to end the affair—but he also does not want Shinobu to hate him for the intimate pastime he and Shino partake in. The situation is even further complicated when his other stepsister, Fumino Oshino, unexpectedly comes back into the picture.

Jun is in his second year of high school. He loves a female teacher, Keiko, though she is much older than him. He joins a badminton club that Keiko is in charge. Luckily, there is no other club members and he enjoys practicing it with Keiko after school....One day, a girl talks to him.... It is Keikos daughter, Sae. "My mother talks about you a lot at home." Also, he finds that her husband passed away ten years ago. Triggered by this fact, he makes up his mind to tell Keiko that he loves her....

It has been a year since Misako became Yosuke Amamiya's wife, but her new stepson Kazuhiko is still barely acknowledging her, let alone seeing her as a mother figure. However, there is a more pressing matter on her mind: when she is alone at home, she frequently receives menacing calls from a stranger possessing detailed knowledge of her day-to-day life. Unable to bring this issue up with Yosuke, she remains silent about these disturbing interactions.Just as Kazuhiko starts warming up to Misako, things take a darker turn when she gets a sex toy delivered to her door. Left unsatisfied by her workaholic husband, she begins to engage in a new pastime: masturbating while on the phone with the unknown speaker. One day, Misako realizes that she is not the only one with a dirty secret when she witnesses Kazuhiko pleasuring himself with her underwear! Now aware that her stepson thinks of her as a woman, where will all this sexual tension lead?

One day after school, Masaru helps his stepmother Saori pick something up from her sister Miyuki's house. But when Masaru arrives, he catches his stepaunt in the act of pleasuring herself—while calling out his name! Noticing Masaru, Miyuki invites him in and has her way with the inexperienced young man. Soon, the worried Saori checks up on why her sister and stepson are not picking up...

Miyuki tries to be the best mother she can for her son, she tries every day to be the shining example of a good mom for her son Yutaka. Yutaka has a friend named Masato who doesn't have the same idea of a good mom in his head and one day makes a move on her...Taking her at home in the kitchen, in the bathroom, and even while her son is sleeping right next to them, he claims her as his own... Until one day, she is bound and blindfolded and once her blindfold is removed she is shocked to see it is her son that is having sex with her! What kind of horrible mother has she become...?