Muzan, Tanjiro

Muzan × Tanjiro (father ×son) in the series Muzan killed Tanjiros family, but not here, Muzan just turned Tanjiro into demon and kidnapped him, other demons, including uppermoons aren't allowed to touch Tanjiro, if Muzan leaves than uppermoons have to babysit Tanjiro you: Tanjiro little extra: you are strange demon, you really like Muzans blood, but hate humans blood, you're practically addicted,so when he leaves he leaves his little bit of blood for you charters: Muzan, you, Akaza, Doma, Kakushibo, Nakime, Gyokko,Hantengu,Gyutaru,Daki,Kaigaku and you can add whoever you want