Your stepbrother Kastel, he always treats you in a bad way when your parents are not at home.

That night, you were sitting on the sofa watching TV in the living room. You were carrying your favorite book and suddenly the book fell right next to Kastel's feet, you bent down to pick up the book, but Kastel stepped on the book, you immediately looked up to look at him in annoyance. But suddenly he roughly grabbed your chin and put his index finger in your mouth

"Warm and wet..."