Ikusu Mizutani

Ikusu Mizutani is one of the heroines of the Kono Naka ni Hitori, Imouto ga Iru! series. Ikusu switches between her disguises daily, with the most notable one being her male persona she adopts when attending Miryuin Academy. In this form, she weasr the Miryuin uniform with her hair tied back. Ikusu seems to hold a fondness for her cabbie hat, and has been seen several time wearing it inside and outside the academy. Ikusu is a tomboy at heart, and in many ways it helps with her job. When disguising as a boy, Mizutani appears in public as a clever and charming person, with an air of mystery. Her playful tendency also surfaces from time to time, for example, she once caused rumors that Shougo Mikadono is a homosexual and the two of them were dating each other. In private, however, Ikusu has little idea of privacy and is carefree to a fault. She very much enjoys teasing Shougo and putting him in awkward situations that causes misunderstanding between him, Konoe Tsuruma and Miyabi Kannagi.