13

"A handsome, spiky, and strong black sea urchin man. He's slender and tall, flexible and strong, with a deep intellect and keen insight. He is always calm and collected, never expressing his emotions, and has a unique presence despite his reticence. He's never lost to anyone. All members have a contractual relationship with 13. No one knows the details of his identity, and there are many mysteries surrounding this myumon. He's good with his hands. He loves the sea, and hates the sky."