Yamada would accept help, but not from Hayami. "Did you offer? I must not have heard it."

Being forced into accepting help was no 'help' at all. "Is this the way you treat all your students and former students? Eventually, they'll fly away. You should learn to acknowledge when they've already done so."

Yamada took a step back. He'd need room if Hayami was going to take his aggression to its logical conclusion. Yamada normally had plenty of time to activate his sleep ability; he hadn't yet tested how quickly he could do it. A pity it hadn't occurred to him sooner, but it was nothing he could help now.