Kill the Hero - Chapter 40

Have you ever wondered what it would feel like if your dick exploded? Or if voodoo or black magic actually worked?Axel got a crash course in both after leaving a one-star review for a trashy smut novel where the hapless author-san offed a minor villain. Little did he know that this particular author had some serious power.Suddenly, Axel found himself in the body of the very villain he was lamenting, right at the moment when everything was about to spiral into chaos.Now, with a second chance at life (and a brand-new set of problems), Axel must navigate the wild world of villainy—complete with explosive consequences and dark magic—if he wants to rewrite his story before it ends in disaster.

As a boss with space plant abilities in the apocalypse, Lu Yao once traveled to the future, became the director of a nursery school that was about to close down, and became a rare animal human on the verge of extinction.
The food she made at random can cure the genetic disease of the cubs in the welfare home. She punched the cubs’ scum fathers and scum mothers, and kicked the remarried families who abandoned the cubs.
It is such a good kindergarten successor dean, who is attracted by that single cool imperial marshal!
Since then, the barrage in the live broadcast room has become:
Imperial Citizen A: Dean A, I really want to marry.
A certain big black dragon: Shut up! This is your marshal’s wife!
CP: Dean Lu Yao, who is extremely protective of short-sightedness and loves cubs, X the imperial marshal Helanjia who loves Shang Yunxi more than cubs
Brief: There are no bad cubs, only bad big ones.

- Description from novelbuddy

High school student Mikoshiba Ryouma was summoned to a different world in the middle of a war. Sensing the malice from the one who summoned him (a summoner of the O’ltormea empire), he uses his martial arts to run away, killing important people of the empire during his escape. After the escape, he rescues two twin sisters from the hands of thieves. The sisters who can use magic, swear to serve him as subordinates. Thus, Ryouma begins his journey on the path of the supreme ruler.