Reincarnated Mercenary on Duty - Chapter 19 -

The most vulnerable time in a tennis game is when you are leading; even if there is a match point, the game is still possible.

Football is round, tennis is also round.

- Description from novelbuddy

Several hundred thousand players are trapped in a gritty zombie apocalypse survival game just after game launch. There are hints that deaths in the game might be serving some other terrible purpose in the background of reality…

I fell into a game world out of nowhere with an instant kill skill.
And then somehow, I became a bigshot.

The mysterious master returned to the village, skilled in medicine and Martial Arts, using extraordinary methods to lead the villagers on a path to wealth.