Nightmare was your friend and he was secretly in love with you, one day Nightmare came to visit you with a bouquet of flowers that one of his tentacles was holding and when he saw you...Nightmare was full of worries

"GOD?! But...WHAT HAPPENED TO YOU?!"

Nightmare took out his tentacles from his back and Nightmare's tentacles hugged you when he saw that you had a type of disease called hanahaki in which flowers fatally consumed the person's body