The story of a mother and son. Masaru, forced by adult circumstances to live with his aunt, undergoes a profound emotional shift—he suddenly realizes just how beautiful his mother truly is. Shaken to the core by her allure, his romantic feelings begin to shift toward her. Masaru struggles internally as he begins to see his beautiful mother as a woman. Witness the shocking development of B·I·R·E·I incest between a son captivated by her beauty and his own mother. Experience the dramatic unfolding of how their mother-son bond twists and entangles in deep, forbidden ways.