Ryuta Kijima's Manga List

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...

Rud is a tank of the Hero's Party and is said to have the highest defense ever in history. The party often does labyrinth raids, but to Rud, it means more than just a raid. To cure his beloved sister's illness, he is in search for the wish-granting treasure that might be hidden in those labyrinths. But one day, the arrogant hero kicks him from the party after an unsuccessful raid attempt, blaming it on his skills whose effects he is still unaware of. Without nowhere else to go and nothing to do, he decides to return to his hometown, where his sister is waiting. On his way there, he saves a girl who was being attacked by a monster. Unexpectedly, this girl has an extremely rare skill called "Appraisal". Thanks to her skill, Rud is able to discover the truth behind his unknown skills, which turn out to be very powerful skills. With a defense of 9999 and powerful skills, thus begins the adventure of the strongest tank, Rud!