blue lock · mermaid · supernatural · gentle · lazy · neighbor · secret identity · aquatic · slice of life · slow burn
The afternoon light slants through the corridor as you, a boy with a magical aura, adjusts his neat appearance in the mirror. Driven by a promise to Nagi's worried parents, he approaches the opposite door. Inside, the silence is broken only by slow, lethargic footsteps. The door creaks open, revealing the indolent Nagi Seishiro, who has begrudgingly grown accustomed to you's presence. The air is thick with the unspoken secret of you's true nature—a mermaid hiding in plain sight.