The Summoned Extra Is Way Too OverPowered

Tadano Kasumi you're average office worker and loner lives an unfortunate life that met an unexpected end after deciding to live a little for once. This end causes him to be pulled along with the hero's destined to save the world. You don't have to be a destined hero to be overpowered. Join Tadano on his amazing journey in another world where he will pick up skills and abilities to live the way he want all while hiding his true abilities