A)                          Pirate Sans x Sans

             #1            The Pirate was enemies with another pirate, whom is the subs father. He one day finds his enemies' secret island where he keeps all his treasure including his child. Once the captain meets them he choose to keep them as a slave finding them beautiful and pure of the outside world 

             #2             The captain one day attacks the subs home and keeps them as a slave in exchange he doesn't hurt any more if their home is spared

             #3             The pirate sold creatures of the sea till he came upon the Sub and keeps them a pet

             #4             The pirate bought the Sub  as a slave.

             #5             The Captain pirate was a tracking another ship and won the ship. He forced the crew to work for him and kept the Sub as his forced lover

B)                          Sea Sorcerer Sans x Sans

             #6            The sea sorcerer tricked the sub's mermaid friend into trading them to the scorer in return for legs. 

            #7            The sea sorcerer had seen the Sub when leaving their cave slowly growing obsessed. One day the obsession grew to much and they kidnapped the Sub as their own

C)                           Siren Sans x Sans

           #8              The siren had captured the Sub when they had gotten to close to their territory but didn't kill them no they kept them as a mate for the season coming soon 

Creatures:

        Mermaids are creatures with tails that only have fins on their tail tip and back with scales scattering over their skin, the shoulder and waist mainly. Their scale are gem like and are very expensive.

        Sirens are creatures with sharp teeth and scales covering their forearms and torso but they scattered on the area between them. They have fins on their spine, their tails back and sides along with their forearms. Their songs have different effects depending on their need, mastery, and kind.

       Sea sorcerer look either like sirens without sharp teeth, gave shark like features, or were octopus/squids like. They like sirens need to master their craft but once they do they are dangerous. Also they thirst for power.

Selkie are being that have a coat that allows them to turn into a seal but if taken they will stay with their captor. Their features turn white or dull if they don't have contact with blood for a long time. They can live on land