A young man named Ryo is reincarnated into another world, and his slow-paced life begins—with just a single cup of water. But this so-called peaceful life turns out to be one constantly brushing against death!?
Sword fights with headless knights, ambushes by assassin hawks, encounters with dragons… Through chaotic, relentless days, twenty years pass—and before he knows it, Ryo becomes one of the greatest mages humanity has ever known!
Eventually, his fateful meeting with a genius swordsman named Abel pulls Ryo into the center of history itself…
Let the story of the laid-back yet overpowered water mage and his whimsical adventure begin!