The Miracle Doctor's Two-Faced Toddler - Chapter 2 - Transmigration

Gu Changge, a noble lady from a wealthy family, is a well-known business legend in Yuncheng, going into business at 15, taking over as President of Gu Group at 18 and becoming Chairman of the family business at 30.
She is murdered by her husband Shao Tianze, just to give his mistress Gu Changle a healthy heart. But a premeditated car accident makes Gu Changge revive in a new guise and settle into an 18-year-old girl, Song Yunxuan.
The new face, young body and experienced soul become her weapons of revenge. In her struggle with the four big families in Yuncheng, can Gu Changge shrink back? Will she open her broken heart again? Can she always head off dangers in power struggles?
Let’s find out if Gu Changge can revenge herself and create glory again.

- Description from Novelupdates

Lynn traveled to a magical world similar to the European Middle Ages but possessing magical powers.

Here, magic can affect and control elementary particles.

So…a scientific theory is a magic formula!

Wizards called spellcasters who are actually scientists, under the siege of the Holy See, struggled to explore the truth of the world, until the arrival of Lin En, which set off a renaissance of an alien version…

(PS: The 2 million-word work “Hogwarts Bloodline Wizards” has already been completed, and the quality is guaranteed!)

- Description from novelbuddy

In the past, the giants of the heavens and the gods were destroyed after the reincarnation of the world! Cruel curse, eternal hatred, Tan Yun is determined to never sink again! For the sake of loved ones and relatives, from now on, step on the corpse of the enemy step by step to surpass the peak! Defying the sky, killing all worlds, I am the only one!

- Description from novelbuddy

Callius von Jervain.

A character who dies no matter what he does. A character who falls into a forced choice route where he can only die, no matter his choices up to that point. However, there is a single route where the character can live and play the game.

And I have to carve out that route somehow.

Because I’ve become Callius von Jervain in the game.