Muryou Subaru

This mysterious transfer student came to Misumaru Middle School wearing a 20th century school uniform, something rarely seen in the year 2070. He's always calm and laid-back, but at the same time, he has secret powers that he rarely reveals. Little is known about Muryou; in fact, the more that's revealed about him, the more enigmatic he becomes. He seems to know something about the recent alien incidents, though, which makes Vice President Kyoichi instantly suspicious.

(Source: RightStuf)