sekai ni Kita Mitai Dakedo Dousureba Yoi no Darou: Shachiku SE no My Pace Boukenki is a Manga/Manhwa/Manhua in english language, Adventure series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

On a certain morning, a metabolic 35 year old salary man was suddenly transported to another world. "I am Without knowledge, without the ability to communicate, and I am especially not confident about my physical capabilities. I have no idea what to do. However, my current goal is to figure out how to keep living using the skills granted to me from the existence known as the interface. Hero? Demon King? I know nothing about that. I am just a salaryman."