Atsushi came to the soap. - However, the soap lady who greeted me with three fingers turned out to be my mother-in-law, Riko! - The two of them are stuck in the worst possible situation. - In order to get through the worst situation that could lead to the collapse of the family, the quick-witted Riko comes up with an unexpected proposal. - ``I promise to quit the shop for today. So, Atsushi-kun, please... be my last customer.'' Is this a ploy to keep my father quiet, or is it just plain old shit? - Atsushi's choice is unexpectedly seduced by his mother-in-law Noriko...