The Vanilla Series: The Girl Next Door (2000)

Haunted by the memory of his ideal woman, Masahiko is determined not to lose his virginity until he finds her again. Good luck! At work, his sex-starved boss is looking for a little action while her husband is out of town. At college, he's become the target of both his professor and a sly sexy student stalker who manages to pop up in the most unusual places! At home, a very buxom childhood friend moves in and his neighbor Asuka is secretly harboring her own fantasies about him! With this amount of sexual frustration swirling around him, can Masahiko possibly manage to hold out for the girl of his dreams?