[ENGLISH-SUBTITLE] JUQ-536 I witnessed the secret side of my friend's mother, Yuka, and was trained to keep her secret in the cowgirl position with a secret creampie vibrator... Yuka Oshima

Every weekend, it became a tradition for me to have drinks at my classmate Shota's house. Shota's mother, Yuka, was also at home, and she was always soothed by her smile and bewitching sex appeal. When the last train left, I was looking for more alcohol when I heard a faint light and a voice leaking from Yuka's room. If you take a peek, you'll see Yuka broadcasting secret information. A few days later, with a mixture of surprise and excitement, I directly verified the truth with Yuka-san. Then, can Yuka-san keep it a secret? While saying that, she straddled my crotch...