Long-Shen and Ling-Shen:
Age: 2568 and 1064
Bio: The Chinese vampire siblings.
They were outcast in Shenlong
because they were dangerous to them
then Long saw people abuse his little sister
now has a hatred towards humans he kill
them to protect his sister and went
to work for Dracula because Long wants
the humans to suffer, Ling thinks the same way too
then Long falls in love with Erika but being a tsundere
about it, because he believes that she's human,
and Ling sees Erika as her older sister.