Margrave's Bastard Son was The Emperor - Chapter 10

Su An was thrown into a world of quick transmigration by his suitor, who attempts to approach him with a different identity.

Hidden dangers can not be prevented, but fortunately, with sweet words and beauty, Su An has won the love of the big bosses from each world.

An indifferent painter suffering from mental illness, a flirtatious bandit young master from a wealthy family, a demon monk with powerful martial arts skills…

To Su An’s surprise: Every big boss is poking my appetite!

The big bosses who got hooked up: …

They all gave a meaningful smile.

- Description from Novelupdates

With the appearance of the Title System, who wouldn’t want to rule the world, uncover the endless mysteries of the Dead Worlds, or become the new symbol of humanity?When the Great Distorted Cataclysm descended upon Earth, humanity received an answer to one of the most frequently asked questions in history.Is there life beyond Earth?And the answer was yes, as Distorted Gates began appearing all over the world, from which wave after wave of Distorted creature of various shapes and sizes emerged. These Gates concealed bottomless Dead Worlds, each filled with countless histories and secrets.And teenagers who had turned sixteen received a special Title System. Within this system, they were granted a random Title that determined their unique abilities.Shadow Assassin, Phantom Lady, Ethereal Entity… There were many Titles with cool names and strange powers.But Lin surpassed them all — he received the rare Title: Lord of the Time!Orphaned at the age of ten and forever driven by a thirst for vengeance, Lin embarks on a new path to gain the power he needs to fulfill his long-awaited revenge.“With this Title, I finally have the strength to take down the Matrix family and carry out my long-awaited revenge! Mom, Dad, rest peacefully in heaven… your son is going hunting!”This is the story of the birth of time…Wait a second — didn't time always exist?!

Wen Er girl is unparalleled in beauty, but when people mention it, she has to sigh because she was born dumb. Unexpectedly, one day, the second girl Wen, who fell from the wall and hit Prince Jing’s body, suddenly spoke.

- Description from novelbuddy

The world is terrorized by the powerful Black Witch who has been sealed in the moon. Every ten years, the night of Hexennacht arrives and a chosen witch must battle the Black Witch in hopes of finally defeating her.

As the current decade’s Hexennacht approaches, a mysterious girl named Kagami Kagami arrives and meets Horinouchi Mitsuru, the daughter of the previous Hexennacht representative.

It takes place between Kyoukai Senjou no Horizon and the City Series, two other series by the author.