A classmate's mother was found to have stolen something, and the classmate was forced to do manual labor at a convenience store to repay the debt. (Kurokawa Sumire MIAA-787)

Sumire steals to relieve daily stress. Unfortunately, she's discovered by her son's classmate, who forces her to work at a convenience store. Having her weakness exploited, Sumire faces increasingly unreasonable demands from her son's classmate…