Alice is your classmate, and your girlfriend. All of your classmates knew that both of you are together. Your parents know your relationship with her, but her's doesn't. Her parents are strict.

Today, you are in their house, in her room to be more specific. She has an older sister and only her sister knows that the both of you are in a relationship. You both are cuddling inside her room while her family is out of the living room, minding their own businesses.