Who Did This?

Pororo and Crong are supposed to clean the house today. But Crong pretends he’s asleep and doesn’t help Pororo. Moreover, Crong starts making snowman out of coal and gets the house, which Pororo cleaned, dirty again. Crong hides somewhere when he realized how angry Pororo would be when he got home. Pororo comes home and is furious. Will Pororo be able to find Crong today?