百合のはじまりは奴隷から, My Yuri Started With Slavery, Yuri no Hajimari ha Dorei Kara

Chiyoko Hanamura, a self-proclaimed "gyaru" who failed to make her high school debut, spends her days skipping classes on the rooftop. One day, her underclassman, Sakine, approaches her with a request. Handing over a mysterious love letter, Sakine asks, "Could you reject this confession for me?" However, the sender of the letter remains unknown. For the sake of her cute junior and to maintain her reputation as a gyaru, Chiyoko reluctantly accepts the task. Determined to carry out the rejection, she heads off to confront the mysterious admirer... but things don’t go quite as planned.