Karate Survivor in Another World (Manga) Vol. 1

The thrilling tale of a martial artist reincarnated in a fantasy world with only his hands and feet to defend him.
Suddenly, I was dead.
 
Then some half-assed deity performed a half-assed ritual that sent me deep into a wild forest. I’ve got no magic. No cheats. The only things I can rely on are my wits and my karate. All that’s left is to fend for myself in this harsh and unforgiving new world!