His head would swing to the side. And instead of another line of mockery or anything like it. He’d just start laughing. At first, it’d be quiet. A light chuckle evolving into a crazed laugh.
“Ha..Haha…HahaahaHHA̢H̕A͞͏H̴̡̛AH͞H͢A̛HAAHAH~! ”
“Shut up!” He’d slam him into the door. “Shut up you fucking loon!” He’d slam him into the door again, and again. “Leave Naoki alone! Don’t go near him! Understand You piece of SHIT?!”