A big-butted girl working at a convenience store to make money for her boyfriend. To make her boyfriend happy, she sells her body for a slight raise in pay. On the other hand, the ass-obsessed manager is struggling with the cost of his fetish-related expenses. Their situations intertwine, leading to a strange relationship. At first, they were only touching her ass, but the requests escalate to ass fucking, sex, and eventually creampies. Miyu, unable to refuse the increasingly outrageous demands in exchange for the rising pay, finds herself gradually being consumed... "What am I doing this for..."
