ZUKO-057 My wife's four stepchildren and I had sex forty times in one day

Your remarried wife brought along four problem children. Today, while she's out of the house, it's your chance to educate them. The crybaby eldest daughter ayumi, the airheaded college student yuka, the rebellious shin, and miku who might have gender identity issues... To maintain your dignity as a father, you're about to face a full day of battle without using condoms against these stepchildren who don't respect you at all.