OYC-186 The secret of high-priced purchase options at used underwear purchase shops.

This is a room in an apartment somewhere in Tokyo. - A used underwear buying shop where girls who desperately need money come to sell their underwear and uniforms, and whose selling point is quick, high-value purchases! - The purchase system is not limited to underwear and uniforms, but anything you own, and it's up to you to negotiate with the store! - ...But...I end up getting carried away by the store's advances and getting into some naughty negotiations! - Girls who secretly want to get as much money as possible end up opening their legs and accepting dick! - ?