Miri Yobami

Miri is a member of The Hundred Devouring Families. She arrived to the Hyakkaou Private Academy to gamble against Kirari Momobami in order to dethrone her from student council president position and thus choosing a new leader of their clan. Miri's and Miyo Inbami's families are specialized in medicine business (including poisons), being responsible for a conflict between other branches.