One night, Kirara Asuka is called by an AV director for a shoot and finds herself on an overnight bus without knowing why. The mandatory order given to her is to "have sex with general passengers inside the bus!" Despite her confusion, she decides to carry out the mission! She seduces an unpopular guy for a handjob, gives a blowjob to a man with a girlfriend without her noticing, and engages in silent slow piston sex with an older man while holding back her voice! A complete hidden-camera documentary inside the bus, made possible by Kirara's overwhelming pheromones that leave no room for argument!