NANAKI

From Tokyopop:
Nanaki survives a car accident to discover he is psychic. Recruited into an organization that solves cases with psychic powers, Nanaki's average life quickly turns into one of adventure and intrigue.

Slacker Nanaki Shunsuke's life is turned upside down when he's hit by a bank robber's car and later meets a strange boy who claims that the accident caused Nanaki to develop psychic powers and that he is required to join LOCK, a paranormal investigations agency or be the suspect of any and every suspicious case that turns up.

(thought a summary and categories were need since there weren't any :P If your into Shonen it's a good read :P Sirenic Griffin){Corrections by Silvermagic}