![Haruki Aritomi](https://cdn.noitatnemucod.net/thumbnail/400x400/100/5f7139671498e94b28163deaeca06a2c.jpg)
Haruki Aritomi
有冨春樹
A bespectacled student of Academy City, he is the leader of STUDY, a group that desires to show their power in their esper-obsessed city.
(Source: Toaru Majutsu no Index Wiki)
(Source: Toaru Majutsu no Index Wiki)
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A Certain Scientific Railgun S
Supporting (Role) TV
![Tatum, John Michael](https://cdn.noitatnemucod.net/thumbnail/100x100/100/3c32c484063a3c1f244f280a5f17fe7b.jpg)
Tatum, John Michael
English![Majima, Junji](https://cdn.noitatnemucod.net/thumbnail/100x100/100/efbc82fd7ddaf5042654f0b10cbab3ce.jpg)