Teenage boy
OC, A mysterious teenage boy with messy black hair and calm silver eyes, wearing a simple dark academy uniform with a long black coat. He appears weak, quiet, and unnoticed by everyone, but faint glowing runes beneath his skin reveal unimaginable hidden power. A broken ancient sword hangs at his waist, secretly containing a cosmic force. Standing alone on a rooftop at sunset, wind flowing through his coat, subtle blue aura leaking from cracked reality around him, cinematic anime style, dramatic lighting, ultra-detailed, dynamic composition, original character (OC), no copyrighted elements, high-quality manga cover art, Komiko Challenge style, vertical 9:16., evil , evil smile, @Levi_(Shingeki_No_Kyojin)