Mermaid`s Scar

Mermaid's Scar (人魚の傷, Ningyo no Kizu) is a story from the Japanese manga series Mermaid Saga by Rumiko Takahashi, which was later adapted into an OVA. The story revolves around Yuta, a young man who gained immortality by eating mermaid flesh, and Mana, a young woman who also became immortal due to mermaid flesh. They meet during their travels and encounter a boy named Masato, who seems very afraid of his mother, Misa. Yuta and Mana decide to uncover the secret between Misa and Masato, while also discovering that monstrous creatures have appeared, threatening their immortal lives. "Mermaid's Scar" is known for its unique blend of fantasy, horror, and suspense, incorporating Japanese folklore with modern social issues, showing the complexity and darkness of humanity.