Despite being unemployed, Tsuguko spends all her money on her boyfriend, Ryoga. She convinces herself that this is an investment in him and their future... but Ryoga turns out to be an escort and leaves her with $50k's worth of debt! Gangster Domeki kicks her door in and tells her he'll have her work in his bathhouse to pay off her debt. But, before that, he decides to give her a test spin! Will Tsuguko be able to dig herself out of the hole she's found herself in!?