Konoha's Tag-System Ninja - Chapter 219 - : False Peace, Infiltration, Life Ignition!

At 18, Alex Kain is whisked away to Eryndor, a game-like realm where he gains 'Skill Synthesis', a talent to fuse skills into godlike powers. Battling monsters and conquering dungeons, he builds a harem of strong women drawn to his might and charm. With the power to return to Earth bearing incredible resources, Alex faces a growing threat that endangers both worlds in this epic of adventure, romance, and ambition.

Sing the story, bard, of the Firebrand. He, the youth who saved Morcaster from ruin. He, the warrior who defeated an empire. He, the archmage who crossed the Netherworld...The tale of Martel the mage, from his humble beginnings as a hapless novice at a magic school. Slow, character-focused and light-hearted progression fantasy. Updates daily.

Back in 1998, an ordinary person who has been through, tired, cried, and fought, hopes to run down-to-earth and keep up with the trend of the times.

- Description from novelbuddy