Office lady Tsukino is on a business trip with her boss, whom she has a crush on, and pretends to make a mistake and stays in the same room. However, even though she pretends to be drunk and sleeps defenselessly, expecting him to, her boss is shy and doesn't seem to make a move. Unable to stand any longer, Tsukino resorts to a last resort - to rape her sleeping boss in the middle of the night and make him ejaculate! Tsukino's boss's reaction has her in full slut mode, and she is not satisfied with just one ejaculation, so she uses various methods to squeeze out all the sperm that has accumulated in his balls! Yes, the long night has only just begun...