If you're looking for manga similar to The World of Lilith, you might like these titles.
They are the most popular idol group with millions of fans, and I am just an ordinary otaku girl. Unexpectedly one day, I accidentally found out their secret... All of them are not human, but VAMPIRES! Because of some unknown fetters, I began to live with these idols...
Zheng Xuaner lived with a pair of vampire twins whom she vowed to protect. The twins, however, took the initiative to bring a vampire hunter to their house and he was suspicious of these two children. Would they be able to overcome the obstacles and defy all odds for each other?
Five species live in peace on this land called Joseon! But murders have been happening in its capital! The criminal must be culprit! We are the special investigative team!
He is a vampiric prince who is cruel as blood, bloodthirsty as life. She is an ordinary little girl who likes to stay at home. A wrong spell called, she was summoned to the demon realm, became his blood pet...
The poor girl entered the aristocratic school and was incidentally set as the target of the rich boys’ "Love Hunt": The school’s nobles become animals such as wolves, lions, bears, snakes, etc., in the anonymous chat room. They take the love of girls as playthings. The girl who suddenly discovered the dark truth of this game has now decided to bare her fangs and break the hearts of those who attempts to play with her, while finding out who is behind everything. This is the beginning, of the prey’s revenge!
Upon her death, Ning Shu becomes a mission-taker who helps poor souls exact revenge on their behalf. She therefore jumps from one world to another, playing various roles and meeting various scumbags. She snarls, "You scumbags, I'm only here to exact revenge. Don't be a hindrance, or I'll torture the hell out of anyone who obstructs me from completing the mission!"