Summoned from another world, the hero is Ultraman Zeta.

(Mind-blowing + Original Plot + Otherworldly Transmigration + Exquisite Action Scenes + Side Story/Fanfiction + Pure Friendship) There exists a world ruled by monsters, where one can soar freely through the skies and witness the roar of ferocious tyrannical dragons. A group of humans, believers in the legends of heroes, are the children of the monsters and devotees who yearn for the heroes of light. This is the beginning of a legend, and also the final chapter of a fantastical tale. Haruki and Ultraman Zeta, two souls in one body, receive a strange distress signal one day. When they go to their rescue, they find themselves transported to another world, revered as "Heroes" by the locals. The inhabitants of this world are suffering...