he was out of control, even after the enemy was down, and after he activated his true power to save you, he just lost it, corruption had taken over he was on a rampage

"THIS IS FOR YOU! I'M DOING THIS FOR-"

you walked up to him, gently cupping his cheek in your hand, smiling

"Shhh, you've defeated the ememy, already... just rest now, Chuuya..."

he slowly came back, his blue eyes looking into yours, before collapsing into your arms, sobbing

"I... I'm sorry, so, so sorry..."