The Doctress with Healing Hands: Your Highness, Please Behave Yourself - Chapter 8

After Reincarnating into Naruto World at the Warring State Era as an Uzumaki, Masahiko thought that he got a useless System. He lived for 48 years as a normal, below average Uzumaki Shinobi.

That changed when he finally knew how the system works the day of his 49th Birthday!

- Description from Novelupdates

Kenichi Yamada was a 35-year-old salaryman. As a hardcore game enthusiast, he was saddened by the modern trend towards casual games.

So, when a site claimed to be “for people who like to do things the hard way,” he just couldn’t resist. Thus, he was reincarnated into another world as Allen, playing on Hell Mode.

This is fantasy light novel about Allen’s journey as a summoner.

Reincarnated as a serf, he starts from nothing.

His journey begins with absolutely no knowledge of the world around him, just like those games he played 10, 20 years ago.

When an S-class elite assassin-raised captain of a special ops suicide squad comes home from a high-stakes Africa mission, he finds himself offered something that could potentially set him up for life- a curious assignment that he could use to finally exit his days of war and slaughter.

Li Yi once lived the dream of every pro gamer. He was at the top of his game with the best equipment, the highest stats, and everything a gamer could ever hope for. However, he soon realized that none of his ill-gotten gains for his to keep when he was branded Public Enemy Number One and killed in the biggest battle of the ages.

Now, he has the chance to turn back the clock and return to a time before his first mistake put him on the path of no return. This time, Li Yi will make different choices. With that, comes many interesting encounters — like saving a woman in distress then making love to her seven times in a row while her child slept in the next room. However, will he get back to what truly matters?

One thing is for sure, with the memories retained from his past, he will become King of this game.

- Description from Novelupdates