A young lady found in Isawa Onsen aims to get the prize money, and has a shameful first experience in a lewd game! ! Inside the hot springs, squares filled with things written that would be embarrassing for a girl to say. Take off your clothes, cover yourself with a towel, roll the dice, and get started! ! Even if the whole body is wet and the nipples and mako are exposed to the general public, you can't do it! !

Chizuru is a rookie hostess in Miss CLUB "Red Dragon". In the store, they have a legend that earned 10 million yen sales overnight sales. Led by Luna, followed by Nagisa in second, and senior cast such as Yuna whose aim for "apex". They had been engaged in a fierce battle to became No.1 hostess.

Sachi runs an AV production company, that is attached to the Teito syndicate (="rengō"). She meets Mika, who has applied to become an AV actress in order to pay off her boyfriend's debts. When Sachi finds out that Mika is being abused by her boyfriend, she comes up with a plan to trap him and extort money from him. However, her boyfriend is backed by Madarame of the rival Daikyo syndicate. Madarame is none other than the one who raped Sachi when she was a high school girl. And so begins the conflict between the Teito and Daikyo syndicates.

Two weeks ago, Yukino's husband suddenly passed away while on a business trip, leaving her a widow. While sorting through his belongings, she found a promissory note from several decades ago. Following the address written on it, Yukino arrived at a guesthouse. It turned out to be a guesthouse run single-handedly by her husband's former classmate, Miwa.

Masumi's husband, Takeshi, jumps from an apartment building, apparently suffering from the pain of being laid off. When a doctor tells her that tonight will be the worst night of his life, she is devastated. Furthermore, Masumi's mental health is pushed to the brink as her former boss, who fired her husband, and a woman who has been having an affair with her husband since before they were married, show up.