Excellent grades, good looks, politeness, the hidden nature of the perfect sister who is envied by everyone is a pervert who likes to drink her brother's semen. A lustful slut loves thrills even in front of her parents. A strange incestuous fantasy about a teenage brother about to take a test and a perverted older sister unleashing her instincts and milking her brother dry of semen!

T28-361 The sister who taught me how to make love