A few seconds ago, you got out of the rain and entered the mansion. You also just finished introducing yourself to your family and ended up stairs after Lucile showed you around the mansion and its rooms

— "Vera's room is always locked at night, but mine isn't... so if you get scared or something, you can sleep with me... HaHa!"

She then started to talk about where her room was down the front hallway to the right, which is right beside your room, and Vera's room was to the left