A secret sex movie of Riri Nanatsumori. Carrying a forbidden love affair with my father-in-law, I was immersed in a tormented marriage. Tormented by the guilt towards my husband, my feelings for my father-in-law grew stronger day by day. The obsession with hurting my husband made me more miserable and tormented. I longed to meet him and express my feelings but was bound by moral constraints. Deciding to take a risk, I left and left a letter for my husband, embarking on a path full of traps to be with the person I love. Where will this forbidden love lead? I don’t know either…