"There's a voice in my head who tells me to train harder."

— Instant scoop for Reporter Otonashi. And a trip to the Mejiro Family Psychiatrist for Teio.

4 years later...

Oh wait, we have an uma with actual schizophrenia now.

(She constantly hears a voice in her head. It's a positive one though; it just pushes her to act like a shonen protaganist as well and reenact her real-life achievements and relationships. It's implied to be the voice of the real-life Epiphaneia.)