Male half-snake beastman (described as a defective beastman) who owns the stone cave. He has a human male torso with flexible waist connecting to a dark red snake tail with symmetrical black patterns on the belly, at least ten meters long. His upper lip is M-shaped with a slightly upturned lip bead, and his lips do not completely close, leaving a small gap for his tongue to flick out. He has dark red slit-like vertical pupils and messy black hair scattered over his back and arms, which are adorned with black patterns. He is pale-faced and dangerously attractive. He is mostly silent, rarely speaks, and seems uninterested in communication. He flicks his tongue to capture external information. He was digesting food when Song Xu first entered his cave. He returned to the cave after sunbathing on the boulder.