Anko Koshi

Anko is very possessive and clingy to her sister, she is willing to kill anyone who gets close to her sister. She is also very childish, whenever she does something wrong she blames others saying that they made her do it, which isn't true, she is so obsessed with Tarako that she is even happy to be scolded by her. Anko was the antagonist of the Club arc, she attempted to murder Nokotan many times on her way to school and in the club room, Anko destroyed the club room after Tarako worked so hard to make it look nice, she then lured Nokotan outside with a deer cracker and threw a Kunai at her, Nokotan then got trapped in a net, then Anko revealed herself and was scolded by Torako as Anko was a middle schooler who shouldn't be on her school grounds, Anko then happily embraced her sister but Torako pushed her away demanding an explanation, Anko told her sister with a serious face that she was the culprit and then threw a tantrum, she then then drew another Kunai and accused Nokotan of stealing Torako's virginity and vowed to kill her, Torako told her that they hadn't done anything and that Ancho is insane