I'm Her Favorite Character - Chapter 1 - : It Begins

Chen Mobai, a male protagonist and a third-year student of Xianmen, is currently working hard to review and prepare for the entrance exam of the Daodao Institute.Originally, his biggest dream in life was to successfully establish a Foundation, until he was able to travel to another world of cultivation, and then his dream changed...When Wei Yuan finally had the opportunity to lie on a wooden chair and bask in the sun during a peaceful era, countless demons and monsters had already been sealed in the museum behind him.

After being set up and killed by her half-sister whom her ex-boyfriend had cheated with, Mu Siyin woke up one day to discover that not only was she alive, but she had traveled back in time to 2 years before her death.

A lonely soul, which was placed under the care of the Lord Protector’s Manor, ended up having her lover stolen by the family’s eldest daughter and dying tragically the day before her wedding.

Somehow, she was reborn in the family as their 14-year-old first wife’s daughter, Ning Xueyan, with a startlingly familiar face.

Step by step, she will ruthlessly scheme to seek revenge as well as uncover the mystery of her tragic death.

Her former fiancee, the flirty crown prince and the bloodthirsty prince, will now bear witness to a vengeful Ning Xueyan becoming the peerless lady of her generation…

I was reincarnated into another world, and I’ve brought the Horadric Cube from Diablo II with me.
Being a knight is cool and all, but being a wizard is pretty neat as well.
So, which one will it be?

- Description from Novelupdates