She's a Passerby, But Can See the Protagonist's Halo - Chapter 63

As an international mercenary, Feng Luo entered a technologically advanced parallel world during a mission.

After living several years in the new world, an online sci-fi game called War became popular across the entire Star Federation.

Desert Eagles, Barrett, AK-47, Apache, RPG… One after another, familiar gears awakened his memories of the past!

Terminator, Zerg, Resident Evil, the Force,… The missions that appeared after a system update made him even more suspicious and shocked! As such, Feng Luo entered War and became a sniper.

The scum’s or villain’s long road of transformation was tentatively set to the world:
The abandonment of the educated youth’s wife (Completed)
The hidden marriage of the scum film emperor (Completed)
The best brother in the world (Completed)
The Phoenix male who destroy the bridge after crossing the river (Completed)
The treasonous general (Completed)
I’m an honest man (Completed)
To become the top scorer in the School of Agriculture (Completed)
The soft rice man’s self-cultivation (Completed)
The whole world is reborn (Completed)
I want to survive on a desert island (Completed)
The stallion male who has seized the opportunity (Completed)
The perverted self-salvation (Completed)
The spring of the loafer (Completed)
The misplaced life (Completed)
The miser career (Completed)
The ghost is out of feeling (Completed)
The Queen’s favorite husband (Completed)
The vicious girl with her godfather (Completed)
I want to be a good person (Completed)
I does not tear up the family (Completed)
The perverted common plant (Completed)
The Mary Sue’s men (Completed)
Every time I was reborn, someone wants to kill me (Completed)
The old people’s counterattack path (Completed)
The global evolution (Completed)
When I became a net red (Completed)
For you, good person (Completed)
His heart had white moonlight (Completed)

- Description from Novelupdates

[Harem + Light System + Mystery + Eerie world]After being transported to an unknown realm, Huang Ye unexpectedly obtained a martial arts manual—the Jade Maiden Heart Sutra, a technique meant for women.With no other choice, he followed the concept of opposing yin and yang, practicing the technique in reverse.By accident, he mastered a form of Dual Cultivation. From then on…

Excerpt:“Are you satisfied?” he asked, walking to the fire where she already sat. “Can you yet call yourself the greatest knight?”“Not until I can beat you,” Irene argued.Despite how serious he looked only moments before, he cracked a smile.“But you saved my life,” he insisted.Synopsis:With a second chance given to her after a pathetic ending to a life she didn’t want, Irene Litharion decides that she will follow in her father’s footsteps and become a knight.Waking up in the body of her eleven year old self, she’s reinvigorated to follow her heart. She has the rare blood of ancient warriors in her veins and promises to not turn her back to it anymore.Prepared for the sacrifices she will have to make to live the life she wants, a new challenge is presented when the only way she can become an apprentice knight is to turn her back on femininity altogether. The years she spent being forced to attend etiquette lessons go out the window and instead, daily sword practice takes place.Her father does all he can to get her into the knighthood, but it’s up to her to show her strength and skill to stay in it.However, it’s different than she expects when the Monster War ravages her homeland, she learns the sting of loss, and secrets of her own blood present themselves the more she leans into the thrill of battle.