Born with the Weakest Job, I Worked My Hardest to Become the Strongest Tamer with the Weakest Skill:

In this world, all humans are born with a job, a set of skills, and a base status. However, our protagonist, John Leetle received the short end of the stick and was born with the Tamer job and blessed with only one skill: Fist Punch; Both are considered to be the most useless bestowments one could receive. One day, by sheer coincidence, he manages to tame a baby Fenrir he found in the woods, and names it Ferryl. Having made his first friend, things were finally looking up for him. However, it appears Misfortune still haunts him closely, as a grim fate befalls his friend...