I Received System to Become Dragonborn - Chapter 4 Easy Fight

An F-Class Hunter.

Standing before you is:The overseer and protector of darkness,The subverter and remolder of order,The creator and persecutor of bootlickers,The supreme actress and drama queen, the goddess of the night, the nightmare of gods and the gravedigger,The true ancestor of blood—Charlotte de Castel.Accompanied by madness, born from blood, hand in hand with curses, walking with destruction.This is a legend belonging to the bloodsuckers…[Transformation][Rare-bloodline][Lord][Kingdom-building][Behind-The-Scenes][Deification]

She became the young mistress of the most powerful family in City T by marrying the young master in place of her sister.

He was cold to her on their first nuptial night. "Just because you played some tricks to get yourself married here, you still mean nothing to me!"

However, she was calm and heartless. "Young Master Mu, don't think too highly of yourself. I despise all that is you — your money and your very being!"

After the wedding, Young Master Mu lived lavishly by spending money like flowing during the day while working his nights away busily. "You said you despised me earlier. Well, which part of me do you despise exactly, hmm?"

Luo Chenxi could not bear the harassment any longer so she tossed out the divorce papers in rage. "I can't live like this much longer..."

He became a teacher at the best magic academy in the empire.
….For being mistaken for someone else.