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Mikihiko and his sister Hirumi are part of the DA, and are in search for the perfect mind and body, and in turn achieve the perfect esper. However, the two have their own plans and are just using the DA for their own ends.<br /> <br /> Mikihiko is often seen with a lollipop in his mouth.<br /> <br /> (Source: Toaru Majutsu no Index Wiki)<br /><br />