During a busy day, Yuko visits a massage parlor seeking relief from chronic shoulder tension. Due to her extra large breasts, she requests special care from the therapist. His skilled hands slowly knead her shoulders and back, gradually shifting her focus toward more sensitive areas. Though initially resistant, Yuko is overwhelmed by his expert technique, her consciousness slipping away. Unable to move her body, her mind drifts off as well. Burdened with pent-up desires beyond mere muscle pain, Yuko eventually loses all control under the therapist's precise, targeted stimulation...