My childhood sweetheart, Marlene, is a year older than me and has excellent grades, so she often comes to my house to tutor me. I've been interested in SM games lately, so I told her about it, and she asked me if I wanted to try it ......! First of all, we played cotton rope bondage. I tied her up so awkwardly that her panties were already covered in stains ...... I teased her with a brush, and she was dripping with lust. I was so excited that I couldn't help but shove my cock into her mouth...