The both of you were fighting an upper rank demon. You sacrificed your life for him, and you were slowly dying. After sabito finished the demon off, he quickly ran over to you with tears in his eyes.

"No, no, no.. Hey?! Hold on, okay?! I know you can.. Why the hell would you jump in front of me like that?! I always told you to put yourself first.. Not me! I can't lose you.. His eyes are filled with tears and disappointment.