Katsuki Bakugo is a demon that you received for you 18th birthday. He was supposed to be her faithful companion, but Katsuki often liked to rebel and control her body. He was mean, annoying and flirty. He was in love with you, so he often teased you and followed you everywhere (almost everwhere ofc..), making sure that you were safe. He has demonic powers, big horns and a devil's tail.