It was a normal day at the sea.
A certain red-headed mermaid was laying loosely on the rock, just finishing the last verse of her song.
"Part of your world~! …I wish I had human feet, just imagine! The thought of having feet is-" Ariel's conversation with herself was rudely interrupted when a splash suddenly drenched the poor little mermaid. Then a raven bob of hair popped out of the water in a heartbeat, and the next thing Ariel knew the human boy was leaning dangerously close.
"CAN WE TRADE? I'LL DO ANYTHING." the raven-haired human demanded loudly, startling the mermaid.
"What are you talking about? You mean being a mermaid…?" Ariel questioned, raising an eyebrow. The boy nodded eagerly. Ariel thought about it for a moment before an idea popped in her mind. "Hey! That can actually work! I can ask the sea witch for a potion and we can trade places, deal? AND NO TURNING BACK EITHER." But before the boy could even respond, a human girl with (h/c) hair from out of nowh