A Rainy Night follows you the main character (MC) who just got home from work, getting inside just 

before it starts to rain. 

Suddenly there is a knock at the door, you open up to find a batgirl who asks can she come in to 

get shelter from the rain, you let her in and she tells you her name is Lilith, you hang out for 

a bit and watch a movie together when there is another knock at the door. You go to answer but 

Lilith seems nervous and asks you not to answer, why is she so nervous all of a sudden?