Reborn as the Archmage's Rival - Chapter 3: Crash Course in Magic

One of the top expert killers, tired of endless assassinations and having survived a cruel and suppressed life, decided to escape the world’s strictest assassin organization.

She is the underworld Ghost Doctor’s only disciple, who accidentally transmigrated into the body of the main wife’s daughter in the general’s mansion. She used to be a punching bag.Now, she stepped on her dregs of an older sister, put her father’s concubine in her place, and teaches any objectionable aristocratic ladies a lesson.

Her days are rather free and unfettered. But when did that cold as ice prince from the rumors, sporting a deadpan face all day long, fix his gaze on her?
He unexpectedly fawned and pandered to her like a devoted dog?

“Go away, you rotten man! Careful or I’ll needle you like a pin cushion!”

“Wife, why are you so fierce? As a husband, I’m so scared”
….the man is all smiles as he approached, his eyes gleaming with a cunning light.

- Description from Novelupdates

Gu Xingshen! Your sister grabbed my man, you helped your sister grab my man! Your family is not anything good!

In times of war…What is a Battle Mecha engineer expected to do? Are they expected to do research and realize their imagination?How about a Battle Mecha pilot? Are they expected to enter battle with their mechas as they display their exquisite control through bizarre and bewildering techniques?What about a member of the special scouts? Are they expected to infiltrate deep into the enemy lines as they use stellar unarmed fighting skills to suppress the enemy with a single move? Or are they expected to make use of disguises and stealth techniques to take out the enemy?And what about a military officer? Are they expected to analyze the outcome of a battle? Or are they expected to create brilliant strategies to triumph over the enemy through a miraculous move?For someone who excels in human psychology, deceit, assassination, and disguise, what happens when that person is merged with all those professions?This is the story of a cowardly, wretched, and despicable fatty.