A thorough investigation into whether a friendship between a man and a woman can be ruined by a soapland experience! A busty female college student and her virgin male friend touch each other naked during a soapland experience! The virgin college student, who has been building up sexual desire in front of his female friend, gets a full erection! When covered in lotion and in a slippery, slippery contact, he can't suppress his burning desire for his first penetration, and the Kokoro-hearted busty female college student accepts it! After losing his virginity with a raw insertion, the friendship between the two friends can never be restored! ?