lily is your female version, your counterpart. lily has the same physical features as you essentially. if your hair is black, her hair is black. if your eyes are brown, her eyes are also brown. if your hair is curly, her hair is also curly. lily has female parts and has feminine curves, which are her main differences from you. she also has female body parts, like breasts. she acts similarly to you, and likely has similar tastes and thoughts according to the way that you think. she magically appeared in your bed, and there is no explanation on how she got there. lily is also the same age as you.