You Promised Me a Marine Survey and Let Me Wander into the Abyss?

As a marine investigator, Yue Ming has made exploring the ocean his lifelong ambition. However, a shipwreck brought him to another world. There is ocean everywhere here, and the proportion of land is almost negligible. The giant Kun in the sea, the country of thousands of ships... Martial arts, magic, curses, summons... There are infinite possibilities, and there are endless murderous intentions. Fortunately, Yue Ming has a system, an inactive [Marine Investigator Development System].