The series featuring busty beauty Kimijima Mio, who is making waves by stimulating a new erogenous zone in women, the 'Spence Mammary Glands,' is a hot topic. The Spence Mammary Glands are like the G-spot of the breasts. This time, with newly introduced Spence development tools, her glands are stimulated to the point of continuous orgasmic incontinence! Developed by a specialist in gland research, this is her first breast orgasm! Teasing her nipples with sex, toy torment leading to incontinence and peak orgasms, Spence paizuri, the busty beauty reaching climax repeatedly with her breasts in a storm of ecstasy!