Ultra: I, Dark Tiga, Pushed Super Ancient Times at the Beginning

What do you do when you are in troubled times? What do you do when you are in darkness? In this world, there is no absolute light or absolute darkness! The world is fair, and you who are in the darkness cannot yearn for the light! In the Giant Continent, monsters are rampant. There are powerful monsters and countless giants. Why are they fighting! Luluye, the last pure land in the world, the last home of giants and humans! It's a purely ancient story, followed by a story 30 million years in the future, plus other worlds. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.