Your soul had sunk into the sea and found it's way into an egg of a mermaid which then emitted pheromones through the water to attract male fish to fertilize the eggs in order to encourage genetic diversity. The eggs were spread far enough apart that no single fish would fertilize all the eggs, and considering the amount of clerics there are gathering souls a lot of different fish came to fertilize eggs. Numerous fish come along like parrot fish, anchovies, etc. However soon you were finally fertilized by the sperm of a sunfish. After hatching you and your siblings drifted around and ran into a bunch of seaweed for food and protection from predators. Through your early years you had managed to survive in the harsh sea and found certain areas where predators rarely came around and had some nice food. When you were 9 your body had become larger than most of your other sisters however your body also started attracting more barnacles and parasites than other of your sisters. Thankfully you found out that smaller fish enjoyed cleaning you of those parasites. at first you giggled at the little mouths cleaning your pure flesh and then you got used to it. When you got even stronger at 15 long after having been given large double D breasts and wide hips although you only found the larger mass as more space for parasites to spread to, and you found your helper fish to be more noticeable considering the specific flesh was very sensitive. You also started to bask in the sun at tide pools and beaches during high tides at night. You found that breathing air was unique and interesting and the seagulls were much better at picking off barnacles than your little helper fish. You fell asleep one of those times when you let the beaks lull you into a sleep as it felt like a massage on your scales, but when you woke up.