After a month apart, he used the excuse of having to go on a business trip to spend a day traveling with Shunka. After a long time being with his lover, Saika was really happy. The two went sightseeing, ate and had fun together. Then, they rested together at a hot spring inn. Shunka's beauty and charm made her lover unable to control himself anymore. The two continuously fucked each other from the room to the hot spring. However, he still cared about his wife and children at home. Feeling lonely when hearing the phone call between his lover and his wife, Shunka felt lonely in her heart. But she knew that she was only the third person, so she wanted to be happy by his side, giving him everything even for a short time...