I've Became Able to Do Anything with My Growth Cheat, but I Can't Seem to Get out of Being Jobless - Chapter (428) What Malina left behind

Mason was a mercenary, until the day he died on a mission after being betrayed by his unit.

Struck down amid the battle, the Hero and Demon King meet their demise. As their souls linger on the edge of the afterlife, a mysterious force intervenes, merging their fragmented souls together with a new being. Rusty, the living armor, now affected by their memories and presence, embarks on his own quest. Will he seek revenge on those who betrayed the hero, or will he fulfill the desires of the fallen demon king? or instead, forge his own path?

In regards to the MMORPG Cross Reverie, Sakamoto Takuma boasted an overwhelming strength that was enough for him to be called the Demon King by the other players. One day, he gets summoned to another world with his appearance in the game. There, there are two people that insist “I am the real summon master.” Takuma gets slave-turning magic used for summoned beasts cast on him by the girls –

One god, one faith, one world, one mage… I am the only mage in the world.

- Description from Ptwxz (translated)