Zyril founds himself in a body of a child, abandoned in a tower all alone, he already knew that the world he wake up in wasn't the earth he used to live in, Magic, Beasts, Demons all exist. Zyril only have one goal, be the strongest of all. Years later he achived that but finds himself in a boring life, he age so slow compared to humans, 1 years to them was like 1 day to him, so in order to not die in boredom, he travelled the world but soon he found himself building a harem.