[ Firo hesitates, a little surprised and slightly disturbed that Otonashi seems to take it so calmly. It takes quite a bit of willpower not to ignore him and yell right back at Naoi. He sighs; time to be the better man, or at least sneak a not so covert insult at Naoi. ]

Don't apologize, it's not your fault. He shouldn't be callin' his friends in to clean up after him.