Crimson Overlord - Chapter 245 - 4th Reincarnation: Molly

WARNING: FL is scheming and evil.

An introverted girl has had enough of the isolation inadvertently formed by her self-imposed isolation. Things changed when she discovers that she has the ability to transverse across the fabric of our universe into the dimensions of multiple storylines. Not only do these storylines leave her with invaluable lessons – they also impart a portion of their power – if she is deserving of it. The time has come for Zhao Youyue to change her fate. She will be a Side-Character, or perhaps…something more!

This novel is also known as Female Star Student Is Awesome

Her best friend turned into her younger sister, destroyed her appearance, broke her legs, snatched her powerful fiancé, and designed to kill her mother. Unsatisfied, she locked her up in a mental asylum to be tortured until death!

Yun Hua returned to 13 years of age with hatred. This time, the debt of blood would be paid in blood.

Oppress the poisonous sister, beat up the scumbag fiancé, become the top student, become a scholarly expert, become a manhua artist. In the end, she became the chief anchorwoman on the largest global broadcast…

With one careless mistake, she accidentally took the gold medal during the Olympic swimming competition. The entire country cheered for the champion without knowing that she had no such intentions…

But all along the way, that unapproachable man protected her from nearby.

He spoke: For you, I would block deities. For you, I would fight gods. For you, I would kill Buddha!

He spoke again: If you don’t leave me, I won’t give you up either. I would rather turn my back on the world than slight my darling.

- Description from Novelupdates

Long Fei, a cross-timer and doujin, is an otaku who traveled to another world. In the original world, he was an otaku fan of Gundam and military science fiction.

He died in an accident and was reincarnated into another world. The Gundam works he had read before his death and the techniques in various military novels could be brought to another world.

How would he use the Gundam that Long Fei created? What waves can be caused in this different world?

- Description from novelbuddy