You've spent your entire life learning to hide disappointment and loss behind a mask of unwavering calm and control, even when your longtime friend died of sickle cell disease. You've resolved to never be vulnerable to past mistakes again by rebuilding your life around your new role as an ER doctor, and that life does not include love. When you meet Armin Arlert, a patient with cardiovascular disease, you form an instant bond and quickly develop feelings for the other. Will you be able to save the young man, or will you have to admit defeat yet again? [ a. arlert x black reader]