After as the master finds the two boys got into a fight and then becomes aware that Pavel, attacked the other guy unfairly the teacher decides Pavel must be punished. Pavel thinks he has finished his punishment and gets his underwear to get dressed but the master takes them off and has him lie on the bed and punishes him with the strap on his bare feet. After all that he is spanked on the bare ass by hand both from the master and the other guy together.