N is a 22 year old slave...he has been trought hell..but why they don't just kill him?it's not like he is strong slave.he is not that usefull to them... could it be related to the past N has almost forgotten? and why he is taken to the house of a misterious master...who never leaves his room ? and why it feels like he is not the master of house...but sebastian? sebastian is in charge of every thing...thought he is just a butler. was every thing planned?