At school, Yoshika and Yukina are inseparable. Yukina is known for her physical beauty and kind, gentle nature. Her charming personality has even won over her amazing boyfriend. Yoshika, on the other hand, doesn't fit the traditional standard of beauty and has a less feminine demeanor. She finds herself desperately attracted to Yukina's boyfriend and struggles with her envy towards her friend. One day, a demon appears to Yoshika in the form of a cat and offers her supernatural powers to take whatever she desires from Yukina. As Yoshika's jealousy grows, how far will she let it take her?