UMD-737 — What! My Friend's Girlfriend Sneaked Into My Futon?! "Hey, Shall We Do It? If We Do It In The Futon, No One Will Notice, So It's Okay."

A good friend of mine came over with his girlfriend. The three of them had a great time drinking at home, and before they knew it, the last train had passed, so they ended up staying over. Soon after, her boyfriend fell asleep, and she was bored in bed. Then she asked, "Hey, honestly, what do you think of me? Don't you ever want to do something naughty?