Mei Itsukaichi, a female student with the world's most sensitive nipples and G-cup breasts, was sexually assaulted by a hostess at a rural hot spring inn, experiencing continuous orgasms. (MTALL-121)

To help her family's business, female student Mei returns to the long-missed inn, wanting to offer top-notch service to her long-absent guests. However, she harbors a secret she cannot reveal. Mei keeps this secret tightly wrapped in her heart because she has extremely sensitive nipples; even the slightest stimulation will cause her entire body to spasm. A guest witnesses this secret ritual and, under the guise of Mei's excellent service, secretly begins to sexually exploit her. With her pink nipples constantly rubbed and Mei experiencing repeated orgasms, her body gradually becomes a prisoner of pleasure…