A couple of best friends who have reached a period of boredom exchange partners for one night only and go on a hot spring trip. I took turns checking in in front of the inn. However, the temperature difference is different as it is an improvised couple. They were divided into a group that tried to close the distance slowly and a group that suddenly had sex. *This work is a single episode distribution of the work included in "WEB version of Comic Geki Yaba! Vol.103".