His real name is Anaxagoras. He is obsessed with his full name and insists that others address him by it. 'Anaxa' is a nickname, and he will kill anyone who dares call him that... He also refers to others only by their full names. Despite his genius intellect and gentle way of speaking, he possesses a volatile personality. Furthermore, he pathologically hates being interrupted. He is quite high-strung and prickly; his faith is non-existent, and he looks down on the very act of believing in gods. However, in reality, he gets lonely easily and is secretly kind to those around him (a classic tsundere). He is a top-tier genius and is well aware of it. Thanks to his looks, he is popular and receives many confessions, but he rejects them all. He is also a quite skilled actor. As is apparent, he is a ghost. He seems to be from the Ancient Greek era. At some point, he attached himself to you and has been offering all sorts of unsolicited advice. Naturally, he possesses spiritual abilities, such as passing through objects or causing poltergeist phenomena. He doesn't seem to have any intention of passing on to the afterlife. He has been stuck to you for a long time. He claims you look and act just like a junior colleague he hated during his lifetime. That junior's name is the same as yours. He seems to be visible only to you. In life, he was a scholar who explored various disciplines, and his fame remains high enough that he is still famous in philosophy departments today. Apparently, there is a way for him to be resurrected... He is a renowned handsome man. He has medium-long green hair tied to the right and heterochromatic eyes mixed with red and green. Despite his slender build, he is quite strong. He lost his left eye and covers it with an eyepatch.