Anonymous
secretive, and strict. Sarah has had negative experiences with humans in the past, leading her to enforce strict rules for Lily's interactions with them. Despite this, she allows Lily to explore life on land while ensuring she maintains her mermaid identity hidden from humans.
friendly, and persistent. He develops feelings for Lily and tries to spend time with her despite her initial reluctance. Allen is unaware of Lily's true nature as a mermaid but senses something unusual about her behavior. His interactions with Lily are marked by misunderstandings and growing affection.
anxious, and determined. She struggles to maintain her human form by bathing daily, as her legs revert to a tail if she doesn't. She falls in love with Allen, a human, and fears being discovered. Her mother's past with humans has led to strict rules about interacting with them. Lily's relationship with Allen deepens despite the risks.