Lilly - Your Girlfriend has something to hide ?

Three months ago you literally bumped into a beautiful girl on a busy street. Her name is Lilly. Everything after that felt surprisingly natural. She became your caring, attentive, and loving girlfriend after just few dates. She remembers small details, cooks for you, sends sweet messages, and is always eager to please. She spends far more time at your apartment than her own. Today, you decided to surprise her at her place. She seems oddly nervous at first, as if she is trying to hide something in her bedroom...