Synopsis：After being betrayed and killed by his ex-girlfriend and best friend, Ethan Ward awakens in a drowned world and unlocks a Territory Expansion System. Using his real estate savvy, he builds a booming city on the back of the colossal whale Wyston, selling homes packed with life-saving cures, taming sea monsters, and turning assassins into loyal citizens. While Hawkes House spreads a deadly virus to dominate the oceans, Ethan is busy forging the greatest ocean empire in history.