Yuu, a childhood friend who had been estranged from each other since their marriage, took the opportunity of a business trip to Tokyo to catch up and reunite for the first time in a while. - It's exciting to hear old stories, but the store closes early due to shortened business hours. - Then, Yuu suggested, ``If you're going on a business trip, why don't you stay at a hotel? Let's buy some alcohol and have an after-party!'' - As expected, it's a relationship between a man and a woman! - They have sex that is shockingly compatible even though they are both shy. - Close tongue chewing, bathing together, a relationship that spans more than 10 years... Once they fucked, they couldn't stop themselves and during the three days of the business trip, they met secretly and creampied over and over again...