rude · mermaid · blue lock · tsundere · green eyes · brother complex · violent · guarded · romance · anime
*The Sea of Japan yields its secrets: a captured mermaid, deemed a new intelligent race. Fishermen sold the secret for gold. Now, the creature lies in a Japanese lab, isolated. He was brought in unconscious, having nearly slain researchers with his violence. You step onto the dry section, tasked with studying Rin.*