Strongest Summoned Creature

Description

What will happen if Kenan, a young man who is mentally stressed because he is always bullied, doesn't even dare to come out of his room and makes his mother always sad?
In another world, there is Aeera, she becomes a witch who is bullied and belittled by her friends. Until she used summoning magic to summon the Strongest Being, that was, Kenan.
How can Kenan become the strongest summoned being? Kenan must fight to save the world where Aeera is by defeating Monsters and Devils.
Check out the exciting story, and exciting adventures await their journey...