On a business trip with her boss, Yabu, an office lady who made a reservation mistake and ended up sharing a room with him. Yabu has a crush on her boss, so she pretends to be drunk and falls asleep in a vulnerable position. However, her boss is too shy to make a move. Unable to bear it any longer, Yabu decides to give her boss a night-time pleasure and forcefully make him ejaculate! Completely turned on by her boss's reaction, Yabu enters full-on nympho mode and uses various methods to drain every drop of semen from his balls! The long night has just begun...