After moving from the countryside to an apartment one minute from college, a timid young man often lets adult female classmates stay over when they have an early morning. He never has the courage to make a move, so he secretly watches porn and jerks off after they are supposedly asleep. One classmate is actually watching him: porn on the screen and a stroking cock right in front of her prove too exciting to resist. She suddenly starts sucking him, and things quickly develop even further...