After a traffic accident leaves her with amnesia, Nanami is deceived by her doctor into believing he is her "father." Exploiting her vulnerable condition, the doctor lies to her, claiming "we used to do naughty things like this before," and selfishly forces her into repeated sexual acts. Deep throat, cum swallowing, creampie—this twisted tale of a man's depraved desires marks the fifth installment in the Komatsu Seventeen Dogma series. Overflowing with moe elements, this film captures Nanami's pure, innocent appearance and her fragile helplessness, irresistibly captivating the viewer's heart.