An affair trip called a business trip

Yuna and Samejima, who work at the same workplace, have an affair that secretly seeks their bodies while keeping an eye on others. The two of them have the same dream as they are both home and unable to meet freely. "It's fine just once, but I want to have sex from morning to night without anyone getting in the way." In order to fulfill this desire, I planned an affair trip called a business trip several months ago. On the day, the two met at the station, changing from their suits to casual clothes, boarded the Shinkansen in high spirits, and arrived at the inn, and vigorously fought each other's lips...