Unable to get the handsome stranger he rescued from drowning out of his mind, merprince Jinyoung sacrifices his voice in exchange for legs and the opportunity to live on the surface. There's just one catch: the human must choose to take Jinyoung as his life partner or else Jinyoung will dissolve into sea foam. Will he be able to win his love without the words to share his heart, or will he make the ultimate sacrifice for the sake of his love's happiness? Markjin Fairytale AU!

https://www.asianfanfics.com/story/view/1345640/the-little-merman-romance-fairytaleau-got7-jinmark-markjin-marknior