Studying at a prestigious baseball program, Gaku was forced to abandon his baseball career after suffering a severe injury during a game. Falling into despair, he spiraled into self-destructive habits, living each day in emptiness. Worried about him, his mother arranged for Kana, a caretaker, to help him regain a sense of normalcy. Gentle and always smiling, Kana never refused anything, and gradually, Gaku began to fall for her. His pent-up frustration and uncontrollable desires were soothed by Kana's warm touch. Each time she brought him to climax, his heart slowly began to heal and open up again.