Manbiki Hitozuma no Yawahada Nikukei ni Shosu!! ~Manzoku Suru made Hansei Shimase~n~

Main character begins part-time work in a supermarket. As a measure against frequent shoplifting, a legendary shoplifter is employed, and protagonist is assigned as assistant. Protagonist falls in love at first sight with a married woman, and to his joy woman is caught red-handed at shoplifting. Woman gets intensely humiliated as a punishment. But she comes every day and continues stealing attempts as if she craves for more and more punishment...

[From vndbreview]