A homeless man, Susumu Nokoshi, is recruited by a medical student for a unusual surgical procedure, trepanation, which involves drilling a hole in the skull. The procedure allows Susumu to see people's subconscious minds as distorted appearances when he closes his right eye and uses his left eye.
Homunculus
A person with no recollection of their past undergoes a revolutionary medical procedure, only to discover they can now intuitively sense the deep-seated emotional scars of those around them, leading to a disorienting blurring of reality.