Kojima Arisu

Mikado's childhood friend and Neneko's younger sister. She enjoys doing art and loves working at the café her parents own. Very sweet and kind her bedroom window faces Mikado's and they say goodnight to each other every day. She loves Mikado and wants to be part of his Mecha-con someday so she and her sister will always be together.

Term of endearment for her husband 'Papa', since they will have children someday.