Tsurumaki, a salesperson at the world's most famous luxury brand, "Berdini," has excellent grades, but is dejected because he didn't get the position he originally wanted. Then, he is assigned to supervise Seta, a new salesperson with an unusual background as a former host. Although Tsurumaki thinks it's bothersome, he is taken aback by Seta's friendliness. However, after getting drunk at a drinking party, Tsurumaki reveals his biggest secret - his bad habit of having sex with anyone and everyone when he's drunk - and ends up being embraced wildly!?