Hana, who is about to get married with her colleague Kimura, is an employee in charge of training at a certain company, and this time she is also training new employees. - However, this year's newcomers were all former college students, so what was I looking at? - At the social gathering after the training, Hana, who cannot drink alcohol, is made to drink the club's specialty drink and becomes inebriated. - Worried, Kimura receives a call from the headquarters and leaves the training center, but as expected, Hana ends up falling into their poisonous fangs...