Tenshoku no Shinden o Hirakimashita

Tenshoku no Shinden o Hirakimashita is a Manga/Manhwa/Manhua in (English/Raw) language, Action series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.com fastest updating comic site. The Summary is

What was born as a villager, no matter how much effort, remains a villager and never becomes a swordsman. This is the world where everyone’s life has been determined by the innate “job”. And a young man was summoned to this different world with a certain ability. The ability of the main character, Kaname Morimoto, was able to brilliantly “change jobs” = job change ability!!