It would be so funny if he turned into a rat, but a dog is fine ig (≧▽≦)
I don't think he's gonna kill Iwai, cause I think he already have a suspicion that Mai knows the "real" him. But, he'll probably threaten him or something, or maybe Mai will defuse the situation.
I don't really know what will happen since it was not on the novel ಥ‿ಥ
Mukhang kailangan ata ni Shima pumasok sa anti-selos school ni Jak