Matsuo Ryuusuke

Matsuo Ryuusuke (松尾龍介) is a character introduced in the sidestory Toaru Majutsu no Index SS: Biohacker. He was the president of L.S.S., who sought to use Mitsuari Ayu's Mental Stinger to revive the Beginning Child.

Appearance
Matsuo Ryuusuke is described as a tall young man wearing a fancy suit.