After a long time of not meeting each other, a group of four close friends took a hot spring bath. And this trip has an affair, a couple who has a secret husband and a couple having sex with each other and this is the best opportunity for them to be able to be together a lot. Covering the eyes of the people around, after drunk, they came to each other in the bathroom and had sex all night. The time after this girlfriend was pregnant and most likely her husband was pouring.