Hana, who is about to have her engagement ceremony with her colleague Kimura, is in charge of training at a certain company and is once again training new employees. However, this year's new recruits are actually all former members of a certain university's sex club, and they have their eye on Hana... At the social gathering after the training, Hana, who cannot drink alcohol, is given a special drink made by the club, which makes her intoxicated. Worried, Kimura is called by the head office and leaves the training center, but as expected, Hana falls victim to their clutches...