Although she usually hides herself with a calm demeanor, she is actually a woman in her thirties with a strong sexual desire and a sense of frustration. Miho Tsuno, who is said to be an eternal amateur, gradually mumbles obscene words, and once the switch is turned on, her lust doesn't stop, her eyes change color, and she immerses herself in lewd acts. After having phone sex and giving a blow job, she is teased a lot with the M-shaped restraint, and then during the libido release sex, she keeps saying dirty words and cumming! The adult woman's raw, lewd words and serious posture are the most obscene.