One beautiful morning, Minami Aizawa's husband happily bid farewell to his wife as she went on a business trip without knowing the terrible things that were about to happen to him. After signing a contract, the young secretary went out for drinks with her boss and their partners to celebrate the successful negotiations. Aizawa, feeling too happy, ended up getting drunk to the point where she couldn't do anything and her boss had to take her back to her room. Then, as fate would have it, in the shared room, with only her boss and the intoxicated secretary, he boldly kissed and touched Aizawa, satisfying his desires. How could a delicate girl resist a man filled with desire? So the secretary decided to relax her body and enjoy the pleasure spreading throughout her body. Once, twice, three times, and then four times... The two passionately and intensely made love all night long, truly an unforgettable business trip for the young secretary.