Mermaid Prism

About

Mermaid Prism is a visual novel where you play a high school student thrust into an underwater fantasy world after a bizarre transformation. As a new mermaid, you balance school life with romantic entanglements and aquatic adventures. Choices shape relationships with classmates and sea-dwelling characters while your swimming club background becomes oddly relevant. The story mixes slice-of-life moments with light RPG elements and branching dialogue paths. Its candy-colored art style and quirky character designs stand out, blending school uniforms with mermaid tails in a way that feels distinctly early 2000s. Though dated by modern standards, the game maintains a cult following for its earnest tone and vibrant worldbuilding. With a runtime around 20 hours, it offers a lighthearted escape for those who enjoy dating sims with a splash of surrealism. Community forums note its surprisingly warm character interactions and the odd thrill of seeing pool training pay off in kelp forests.

Storyline

This female-targeted love simulation puts players in the role of a high school student that one day gets warped to a separate world, becoming a mermaid along the way! Good thing she was a member of her school's swimming club!