Tazuko works part-time at a convenience store. Lately, her daughter has grown up and left home, and she's become distant from her husband, leading to boring days. Then, she hears that a coworker, Hiroshi—who used to be her daughter's boyfriend—broke up with her daughter because his sex drive was too strong… She asks him if he wants to be her fuck buddy to easily release her own sexual frustrations. Overcoming her guilt towards her daughter, she chooses pleasure and continues her affair with Hiroshi whenever she finds the chance during her shifts. And today as well, after punching out…
