MTL - Chaotic Lightning Cultivation - ~ See the madman in 636

The Special Investigations Unit is a covert organisation that no-one in the city knows about, dedicated to investigating bizarre occurrences beyond the comprehension of the living. The Chief Zhao Yunlan isn’t a simple guy either, being the inheritor of the Guardian Order, he has always been a righteous conformist, excelling between realms of the living and the dead. While investigating a school suicide case, Zhao is attracted to the calm and reserved Professor Shen Wei, but the Professor seems to be rather fickle towards him…

- Description from Novelupdates

A high-schooler who loves playing FPS games were reincarnated in the fantasy world. And usually, those who were isekaid were blessed with overpowered magic and a legendary beast. However, our main character is different.Instead of those things, he awakened a shop system where he could purchase American freedom! And since modern guns is as good as magic, he decided to make full use of this ability and make a name for himself in this new world.Fireball? Cute. My M203 grenade launcher makes a bigger boom.Summoned beast? That’s nice, I’ve got a UAV with thermal optics.You can split oceans with magic? Cool. I can erase cities with a nuke.Whatever overpowered spell you’ve got, I’ve got something better.

After five years, Ning Xi has returned and is out to take revenge on the sister who turned her parents against her, and the childhood sweetheart who betrayed her for her sister. She aims to fulfill her childhood dream and become a famous actress. However, her sister is still out to get her and she has to avoid all her underhanded schemes.

One day, after falling into one of her sister’s schemes, she meets an adorable little boy and saves him. His father then offers to repay her with his body: “Marry me.”

Ning Xi: ???!!!

Little boy: -sad puppy dog eyes-

Thus Ning Xi starts staying at the mute little boys’s house to help him come out of his shell… cue lots of comedy, some flirting, sweet moments between Ning Xi and little bun… and maybe big bun too.