Poor J, he failed so miserably at being Megumi, he had to pretend to be a fox pretending to be Megumi. He really shouldn't have traumatized the teacher in the previous chapter...
At least now the kids properly fear him. And we know Renji does in fact like Megumi! Perhaps beating up those middle school kids is gonna actually benefit J!
M being the punchline of the chapter is really fitting. Her hardboiled appearance really makes it stick better!