Rino Matsu, 30, an elite, highly educated housewife with a sex IQ of over 70, makes her AV debut with Madonna!! A beautiful and intelligent woman with a hidden pervert... a hybrid newcomer is born!! At the crossroads of intellectual life and instinct... a highly educated Kokoro who lives a life unrelated to AV begins to have an unfaithful urge!! After three years of marriage, she can no longer suppress the desire for an affair she has been hiding!! She loses all sense of guilt... a debut work where she devours her instincts like a beast!!