Her husband is constantly busy with work and rarely comes home. Yui, his wife, feels indifferent toward him, her days filled with dissatisfaction and loneliness. She spends her time indulging in masturbation. Yet, her only hope is her son. He believes Yui is a beautiful and proud mother, and his words stir something deep within her. Touched by his admiration, Yui begins to forget her past self and embarks on a new path.