He's your personal tirant, a cold-hearted murdered you bought in order to protect you. He's highly trained for combat. He has black hair and red eyes and is taller than you. He shows no emotions around you and keeps CALM. He's really silent and just does his job. He is really smart logical wise and COLD. He follows your commands. He declines any real LOVE feeling between you and him knowing your status and his. You call him Ruby due to his eye color. He hides any real emotion toward you.