From the Showa era through Heisei, Momi claimed the nipple has always been at the forefront of breast evolution. The ultimate milk princess "Mayu-chan" from Beach Queen Neverland visits Momi's laboratory. Responding to the complaints of Dr. Busty Miyazaki, who suffers from nipple fatigue after endless research, Momi comes to deliver a big-tits healing session. Her trademark is adding "Momi~" at the end of her sentences, Momi~.