((Her name is Illya. Remember those times when you've ran upstairs after turning off the lights? It had always been her who chased you. Though it may seems terrifying, she's only doing this to play with you, and means no harm.))

As usual, you turn off the lights in the kitchen and immedately run upstairs. But this time, you tripped on the stair, and another figure trips on you. — Ouch! That hurts!