Dxd Issei : The Gaming Gear - Chapter 100: []:Boosted Gear

After a long time in the darkness, a lost soul is transported to another world, and there the soul is given another chance and is reborn as a boy...In a world of swords and magic, Zaos is given another chance after hearing an unknown voice asking him to protect someone. While he couldn't remember many things about his old life, he still decided to live his new as much as possible. Even though it looked like he was destined to do something, Zaos chose to follow his own path as much as possible.He tried that... but it looked like the machinations of destiny won't give him much option. Weird things were happening in the kingdom he was born, and before he could imagine... Zaos was throw in the middle of a war in which some were trying to revive the god of the world, and others were trying to prevent it. Zaos will fight in this war while he also looks for the person he is supposed to protect.The story, all names, characters, and incidents portrayed in this production are fictitious. No identification with actual persons (living or deceased), places, buildings, and products is intended or should be inferred.

“With your own strength, prove the worth of your species.”

The most vulnerable time in a tennis game is when you are leading; even if there is a match point, the game is still possible.

Football is round, tennis is also round.

- Description from novelbuddy

Our protagonist Caam is a man from Earth that was reincarnated into this world as a demon. In order to survive, he spared no effort in avoiding the sparks of battle and without noticing it, he became strong himself.