A son who lost his husband early and was raised by a single woman is getting married this time.Before that, it was decided that a mother and child would go on a hot spring trip together.In the figure of her son who grew up fine, Chisato saw the figure of her late husband.She went to the hot springs and had a meal, thinking that this would be her last trip with her mother and child.Late at night, I was woken up by my son's bad sleeping posture.I tried to put my son's futon back on while thinking.My son's yukata bare lower body jumped into my eyes.I was engrossed in sucking on the semi-erect thing that looked exactly like his late husband's thing.I couldn't stand it.When I noticed, I sat on my son and tasted the feeling for the first time in a long time ….