Chie's husband is a trading company man who travels overseas and has been away from Japan for a while. On the other hand, her brother-in-law, Naoya, didn't have a regular job and lived with wisdom, but he liked customs and had a lot of debt, and he was forced to play a role in the strategy to make her wisdom work at anal soap. Wisdom, who fell into a trap, was able to develop her anal and take customers as an anal soap lady with the clever guidance of Mizushima, the owner of the sex shop.
