In a world where animal hybrids represent the ultimate elite, Kim Cheolsu is content living vicariously through his favorite simulation game, "Wooly Woods". But his digital hobby becomes a chaotic reality when he finds an abandoned hybrid kitten on his doorstep that looks exactly like his in-game companion. Cheolsu takes the little one in for temporary protection, but as Nabi starts calling him "Daddy" and hits an unexpected growth spurt, the responsibilities of a hybrid owner get a lot more hands-on.