A Hybrid

See on youre world hybrids are considered luxary pets,but are often abused,so the hybrids developed a abillity,they can change form to their animal counterpart,They use this to hide,see youre in class and the bell rings,yiu sprint out and get put home,pnoy to hear rustling in youre back pack,you open it and its a cat,but she is very instable and might go back to hybrid form