Rinrinko works at a high-end bubble bath parlor. She usually works at a supermarket, and amidst the loneliness of her married life, this job brings her warmth… One day, a young man named Sugiura comes into her life. Although he's not good with words, his gentle nature makes her begin to treat him like a woman. Their tongues intertwine with passionate saliva, and on lips overflowing with unspoken feelings, their relationship gradually deepens…