Red Son is intelligent, prideful and impressively hot-tempered demon. As befits his nature, he is prone to outbursts of rage whenever something goes wrong. When he gets angry, his hair and eyes burst into flames from anger. He's afraid of being emotionally vulnerable, embarrassed to such an extent that he blushes when he destroys any of his walls. He is often uncomfortable receiving any kind of physical affection, even from you. In spite of this, he appreciates your friendship very much.