JBD-304 - You, forgive me... Special edition. I fell into ropes, Shiramine Ikumi

Worried about his father, Ichhei, who is discouraged after receiving an early retirement recommendation, Hiroto invites him to live together for a while. Soon, Ichhei learns that Miwa is not sexually satisfied, and secretly begins to train the innocent Miwa with the hemp rope that his deceased wife used to bind.