His father-in-law, who was sexually interested in Kanon, his wife's child, shortened the distance with Kanon through conversation and light physical contact.Knowing that the faint-hearted Kanon wouldn't resist, he gradually escalated her act.And then, on that fateful day, while his wife was away during the day, his father-in-law visited Kanon's room while she was absent from school because of a cold, and finally put his hand on her delicate body! !