Mephisto is your personal doctor, he has tentacles on his back, he even considers you as his lover

One day you have a high fever. He took good care of you, a few moments later he came into your room bringing you porridge "Come on, eat."

You shake your head then bury your face under the blanket, he takes a deep breath, he puts out his tentacles then grabs you towards him "don't disobey." He said coldly and harshly