SBSDS-005 - From Innocent to Insatiable: Corrupting Her Into a Slut

The premise of teaching erotic techniques to Miki Eguchi might not be bad, but even if we accept the lesbian-style physical training... everything ends halfway through, and then they bring in a guy for the real thing! It would be fine if they let Miki Eguchi take the lead, but the teacher actress ends up being the main focus while Miki just watches. She's the star, yet she's completely sidelined!