Summoned as the Hero but my class is a ' Tamer '

One day, our MC was summoned to another world as a hero to fight against a demon lord. Summoned Heroes got a unique class called ' Hero ' and other unique classes like ' Saint ', ' and many more but our MC got a simple class called ' Tamer ' . But not an average ' Tamer ' class. Much more powerful, much more dangerous. Find out what will he do with his class. He will do everything to survive in that world. --------- Hi guys. Yep, this novel is a Japanese Isekai theme with alpha MC and I have been wanted to write this type of Novel. I'm not a native speaker so I will try the best I can. I only promise you that. I don't own the cover's photo if the owner wanted to take it down, please notify me. I will do it instantly.