The female staff at a burger shop are subjected to their manager's perversions during working hours. Lena and Ayaka, who both work at the establishment, take part in these hidden workplace activities while also secretly enjoying each other's company. However, when the manager catches them fooling around in the locker room, he has a specific punishment in mind. Answering the mysterious call from the end of Inbo, the girls' classmate Masaru soon arrives to assist the manager...