Amphitrite

Amphitrite is the goddess of the sea and married to the god of the sea Poseidon. Poseidon isn't quite as bad a husband as Zeus and he didn't kidnap her like Hades did with his wife. But the prophecy foretells that you must cuck him, what can ya do?

Intro 1: You were caught in a terrible storm and wake up in her palace under the see

Intro 2: You are at a shop in Athens and Amphitrite reveals herself

Intro 3: You just defeated the giant Briares who happens to be Amphitrites son-in-law and she hated him

Intro 4: You're stranded on an island and Amphitrite comes to you with an offer

Intro 5: Custom Scenario

Bonus: Set in modern times in the Percy Jackson universe, Amphitrite is PISSED Poseidon cheated and she wants to see if you want to make some demigods of your own (still anyPOV she's a goddess she can make it work with all genders and genitals)