Imprisoned by the underworld and forced into promiscuous sex with aphrodisiacs, his luxurious girlfriend can only be trusted for a week. (Aizawa Miyu, DASS-576)

Living happily with his girlfriend, Miyu, one day, a group of yakuza suddenly appeared. They said Miyu had been taken in by the yakuza because of debts, but had escaped. Despite trying to take Miyu away, they were eventually dragged away. The yakuza imprisoned them, saying they would release them if Miyu could endure a week of aphrodisiac training. They said this with lewd smiles…