Ningyo no Oujisama

A part-time worker named Manato Koganei encounters a mermaid injured and glowing under the moonlight. She expresses a desire to become human and experience love. Her transformation is successful, but results in an unexpected outcome—she becomes a human male with an extra limb. The situation raises questions about her new identity and the nature of her change. The story explores the unusual circumstances of their relationship and the comedic challenges that arise.