Steamy Mother and Child Pilgrimage ~Yamanashi/Mt.Fuji Foothills~

His son, Takeshi, and his mother, Kiriko, come to a certain hot spring town to rescue their mother, who is suffering from domestic violence by her husband. The proprietress and head of the inn look a little suspicious at the guests, who are so far apart in age... However, Kiriko, whose mind and body were at ease after a long break, relaxed without worrying too much. One day, the proprietress of the inn realizes that the two are actually mother and son, and that a forbidden love is growing between them. Then, he plots a strategy to bring the two closer together, but...