Zhang San, please behave yourself! - Chapter 841 - 777: System Architecture Improvement...

He rose from abjection and achieved eternity in glory.
He embraced the prettiest beauties and killed the strongest opponents.
He was able to shift the clouds into rain and cover the sky with one hand.
He could overrun the entire world and go anywhere as he pleased.
He pacified wars and held the world in awe.
He was matchless in the world.
However, his hair turned white overnight for his beloved woman and he was on the verge of death.
He was surrounded by enemies who were trying to take his life.
He struggled his way to become mighty and fought for everything he cherished.
For this age, he was the only king of the Dark World.
His name was a byword for might.
As a man living in the world, his only ideal was to pursue brilliance.

- Description from Novelupdates

Monster Invasion, Blue Star's rules have changed, leading to a great turmoil in the world. Rules have descended, and human girls awaken with fierce beast templates, transforming into animal-eared girls who can summon fierce beasts alongside contracted boys.There are all sorts of animal-eared girls like Pegasus, Flying Tiger, and White Snake.Fluffy animal-eared girls, delicate animal-eared girls.Xiao Ye awakens the God-level Beast Master System, which allows for unlimited contracting, the ability to detect others' templates, and rapidly enhance the forms of summoned beasts.After being dumped by his girlfriend, Xie Mengxuan, an SSS-class Nine-tailed Fox template school beauty, immediately proposes: Be my boyfriend.Xiao Ye is stunned, as he considered her a bro, yet she wants to be his wife!Cheng Bingxi smiles sweetly: Take advantage of the overly shy deskmate and coax him into being a husband!There's also the Nine-tailed Fox demon school beauty, Five-clawed Golden Dragon bearing girl, Soaring Kunpeng queen, and the Divine Beast Qilin empress.Xiao Ye, looking at a nest full of SSS-tier animal-eared girls, expresses: Bring on more!

I was on my way home with my friend when suddenly, I spotted a catgirl cosplayer who made my heart skip a beat.But something felt off—I couldn’t recall seeing her in any anime, manga, or games I had ever come across. Confused, I asked my friend standing next to me.To my shock, his response sent chills down my spine:“Huh? What catgirl? What are you talking about?”Suddenly, a truck came barreling toward the girl. Without thinking, I rushed to save her. In the end, both of us were hit by the truck.Now, I find myself reincarnated in another world—in the body of the very catgirl I had seen.But... who is this girl?How is she related to the dungeons that keep popping up in this new world?

Xu Jun finally defeated the BOSS–the Dark Demon King, in this stand-alone, virtual reality game. When he wanted to go out to browse Weibo and express his mood, he suddenly encountered a game BUG and immediately passes over to the game world.

He became the man who finally took down the Great Demon King in this world. Gratifying! The attention of millions of people!

……However, he did not know the development of this world was not the same as the game, the Demon King did not die, rather his soul entered into Xu Jun’s body; this Demon King knows of all the stupid things Xu Jun does everyday…….

- Description from Novelupdates