In the monotonous days spent at the hospital, mother Miki finds herself growing affectionate toward her son. Deep inside, she begins to crave holding his body close, developing an intimate connection within the confines of the hospital room. One day, her daughter Aya comes to visit him. To Miki's shock, she realizes their relationship has already become something beyond ordinary. Drawn into this unfolding situation, Miki becomes entangled in a new and unexpected development. This story delivers a shocking narrative that explores family bonds—and the forbidden relationships that transcend them.