hmm i've thought about this but i think roleswap with mizisua and ivantill would be (if not downright impossible) too out of character for me to consider writing. i think mizisua are more placid in personality than ivantill who are kind of mildly infected with rabies to say the least, which is why their dynamic works the way they do, and i can't really imagine any inciting incident happening that would change that core dynamic enough to allow a roleswap in the first place. but thank you for the prompt!!