The Sister

Gumball and Penny have been happily dating for a year now, but the arrival of Penny's estranged sister threatens to shake that up. Penny's innocent and sweet, and so is her sister, but she has a strange side to her, and Gumball can't resist her. But Penny and her sister are hiding a secret, and unless Gumball can resist, he might not make it out alive. ON HIATUS UNTIL JUNE