Heir of the Sea God, But I'm Allergic to Seafood

After inheriting a fishery, I became the Sea God—but I get seasick, am allergic to seafood, and using my powers makes me vomit uncontrollably. Debt collectors come knocking, rivals cause trouble, and a mysterious organization covets the sunken ships beneath the sea... I rule this ocean, but can someone get me some antihistamines first?