Super Dragon Turtle Clone

Inherited by the divine beast Dragon Turtle, he controls the waters of the world. Buy an island overseas and become a veritable island owner, a rich man, with everything you need including sunshine, beaches, sunken treasures, large fishing grounds, etc. The entire sea is my territory. Anyone who dares to act wild in my territory will wait to be punished by the "Poseidon"! Of course, this is just the beginning. The protagonist's goals are not limited to times... Various black technologies are also indispensable!