Two people perfectly compatible, body and soul. A deep, passionate kiss in a bubble bath, where 'longing' and 'lips' overlap. (Mary Tachibana, JUR-446)

Mary begins working at a high-end SOAP shop. Feeling lonely in her missed opportunities with her husband, even a fleeting, artificial physical contact is unforgettable… Then one day, a young man named Kamimura comes into Mary's life. She no longer treats him as a SOAP girl, but as a woman, because he is clumsy yet gentle. In the intertwining of passionate saliva and tongues, in the overlapping of lips filled with longing, their relationship gradually shortens…