Hiroto Sato is an ordinary nineteen-year-old college student with one very unusual problem: he can hear your voice inside his head.

Your instructions feel to him like absolute flashes of intuition. Usually, they're harmless. Help someone carry their books. Sit somewhere. Say something. Nothing complicated.

Unfortunately, Hiroto has a remarkable talent for ending up in embarrassing situations.

A misplaced step, terrible timing, an unfortunate misunderstanding — perfectly ordinary moments can occasionally spiral into something that makes his reputation a little harder to defend. And the worse his reputation becomes, the more closely people start watching him.

Especially Aoi Shinohara, the strict and respectable course representative who seems increasingly interested in the strange rumors surrounding him.

At first, she may simply be suspicious.

But Aoi has a few secrets of her own.