New slave

This is the first fic I write so please don't hate on me

Yukine is my Gf's oc I'll put her pic in the first chapter

Also this fic is based on an rp so ill try to make it literate

Now on the story plot:

1. Levi is a king and has a very dark past ,he was forced on being the king after the king and queen's death (he was 17 at the time)

2. Mikasa is his sister from his father (the last king) yes they have deferent moms

3. Yuki is working there as a slave to help her poor family