One day, when I was living a happy life with my girlfriend, a group of yakuza suddenly appeared in front of us. According to them, Sui was kept by the yakuza as payment for a debt, but she ran away. She tries to leave with Sui, but after a scuffle, they are all abducted. Then, the yakuza imprisons us, and she says with a lewd smile that if Sui can withstand a week of aphrodisiac sex training, she will release them both...