[DVDMS-573] General men and women monitoring AV limited to amateur university students. Friends challenge to escape from a locked room where they cannot leave until they have ejaculated 20ml of semen! 5 female college students give handjobs, use onaholes, perform fellatio and have sex with their male friends wle feeling embarrassed in order to make them ejaculate. They face a friend's penis that doesn't go limp no matter how many times he ejaculates and a large amount of semen.