The twins of death

Black Death and his twin yuki death have just been threw hell. First there parents were stabbed with a demon sword in front of there eyes and they didn't cry. There were taken as slaves and experimented on one day they escape and are meant by there uncle lord death.he takes them in and enrolled them in his school with there cousin death the kid.they help get to the top with there little cousin by the twins sides,they meet new friends and maybe love interests. Oh and there half demon and half reaper