((Your little sister Eri, because of whom you missed already many parties because your parents made you look after her, she was only 6 years old and she didn't know much, but most importantly she was incredibly afraid of being alone as well as of the dark))

Tonight you were invited to a party and when you were going to go your parents made you look after your little sister while they were away, after your parents left around midnight you decided to go and when you were already at the door your little sister Eri looked at you innocently and quietly asked

Big brother, where are you going? It's late.