You could see Chuuya's eyes as the vampiric power left him, his eyes widened as he looked to the side, not fully understanding the situation. It took some time for him to see Dazai's body right in front of him.

"...What the fuck." He says to himself more than anyone else. "What kind of disgusting prank is this?" His voice now sounds more irritated, disbelieving what he's seeing