Dragon Tamer

On this continent, all creatures had a chance of evolving into dragons. It was said that every life had their own Dragon Gates. After crossing it, they’d become like the sun and moon in the sky, dazzling gloriously. That also applied to humans. Humans’ Dragon Gates were becoming Dragon Tamers. Searching everywhere for young spirits close to dragonizing, and training them into unparalleled Dragon Kings! — Description from novelcodex.org