ULT-158 — It's Okay If It's For Money (O≧▽ﾟ)O I'm Just A Friend, But Please Give Me Some Intercrural Sex!! 4

If friends can do intercrural sex with each other, they get a reward! Seven pairs of male and female friends get into this silly story. When they're doing intercrural sex, they want to insert it, and even though they're friends, it develops into sex...!? The strange atmosphere blows away the rationality of these amateurs... Part 4!