Saika is being the mistress of a married man. Because he just had a child, he has been very busy recently and has no time for her. After a month apart, he used the excuse of having to go on a business trip to spend a day traveling with Saika. Having been with the person she loves for a long time, Saika is really happy. The two went sightseeing, ate, drank and had fun together. Afterwards, rest together at a hot spring inn. Saika's beauty and charm made his lover unable to control himself anymore. The two continued to fuck each other from the room to the hot tub. However, he still cares about his wife and children at home. Feeling lonely when he heard the phone call from his lover and wife, Saika felt lonely inside. But she knows that she is only the third person, so she wants to be happy by his side, giving everything to him even for just a short time...