200 days of Couple prompts

KG(79-19)Siren

Killua set on his rock near the waterfall, practicing his assigned siren song. His sister, Princess Alluka, was there with him, also singing her song. Every siren had a different, unique song, given to them at birth by the king – Killua's father – so they could lure the sailors to their hiding spots, causing their ships to crash, murder any survivors, and eat their bodies. A bit brutal, but Killua had to admit, it was fun to capture the idiotic sailors and either kill them or keep them as pets. Although, he preferred to keep them in cages as pets, depending on how long they survived, turn them into sirens, so they could feel the guilt of the monsters like him. Most of them enjoyed killing the members of their former species, which was disappointing to hear.

"Killua!Look!" Alluka whispered, pointing at the silhouette of a ship in the distance. "We can bring the humans back to our dad! Hey, I'll let you drown one of the survivors if you let me rip the guts out of one!" Alluka stated. Killua was torn, he loved drowning the evil sailors, but he hated watching his sister cut them open and rip out their intestines. Alluka definitely enjoyed her job much more than Killua did.

Alluka groaned. "You don't have to watch if you don't want to. Here I'll let you keep a cute one if there is one." She suggested.

"Fine." Killua sighed. Alluka did her short victory dance, then prepared to sing her song. Killua did the same and began to sing, already seeing the ship began to turn in the direction of their waterfall.

Eventually, the ship crashed. Killua noticed that at least 20 sailors were aboard the ship, with 17 of them being killed in the wreck. That leaves three more to go. One for Alluka, one for him, and another one that they will decide what to do with later. Killua thought as he search the wreckage for survivors, who would've been snapped out of the spell by now. Alluka has already found one, he could tell by the loud screaming and malicious laughter.

Killua discovered another one, who had a better soul. He let himself become the true monster he was, happily dragging the sailor beneath the surface and drowning him with a twisted form of delight.

That left one more to find. The last survivor wasn't hard to find, as they had been hiding behind the waterfall to watch Killua drown his former crew mate, with his betraying gasp of pure horror as the bitter souled human stopped struggling. Killua swam over to the waterfall, beckoning Alluka - Who was practically soaked in blood at that point – over to lure the young sailor out of his pitiful attempt of a hiding spot. Alluka was shouting nasty threats, while Killua was whispering kind words of flattery.

"Come on, I won't hurt you." Killua murmured sweetly, grabbing the significantly smaller human as they foolishly wandered towards him, as Killua had been 'throwing' his voice and making it seem like it was coming from another place in the caverns.

The smaller human coward in fear as Killua held his arms. The human was squealing and squeaking, trying to squirm out of Killua's strong death grip. Sirens and humans have extremely diverse languages, so Killua had no idea what this human was saying. He growled and got increasingly close to the humans face making it shut its mouth.

"Cute." Killua commented, before making the human pass out from his quick punch to the face. I'm keeping you anyway. He put a bubble of air around human's face, so it would be able to breathe underneath the water and Killua would be able to keep him in a cage. Killua was about to swim to the castle, but he decided that the human wouldn't be going back to his home anyway.
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