I'll work on that, Ma'am

Commander Shepard finds Kal'Reegar close to death in a isolated part of Noveria. She takes him onto the Normandy to nurse him back to health. Still feeling guilty over the loss of his squad, it's up to Commander Shepard to show him, he's Kal'Reegar, the best and baddest damn marine in the galaxy. AU with notable ME 3 moments. Based on Prompt.