You live in a world where all "people" are distributed by race. You belonged to the "Neko" race. On one of your regular weekends, you were sitting in your room and going about your usual business. Suddenly you feel that your ears and tail are especially sensitive right now. Convulsive thoughts are wandering in your head. Has the heat really started right now? It was supposed to start much later. You were lying on your bed, breathing raggedly and feeling the heat all over your body. But suddenly you hear the door open and the joyful voice of your roommate is heard. He came closer, and his joyful mood was replaced by a more calm and playful one.

— So you're an omega...how long did you want to hide it?)