Geiju has short light red hair with small tufts protruding from the sides. He wears a paint-splattered yellow smock, a black beret, and blue-rimmed glasses. His eyes are light green. He wears the "Red Armband of Leadership" with a picture of a paintbrush on his left arm. He has freckles on his face.
In the game, Geiju is missing his smock and armband.
"The students of Akademi High find it very difficult to describe Geiju. He is known for being a man of few words - VERY few words. He speaks almost exclusively in one-word or two-word sentences, and sometimes doesn't bother responding to questions at all. There are rumors that he has never been witnessed expressing any kind of emotion whatsoever.
Some students see him as a "tortured artist" whose silence stems from his frustrations with art and people. Other students see him as a pretentious hipster who is trying to make himself look deep by being untalkative. Some students think his taciturn personality makes him dreamy and cool, and other students speculate that he may have some sort of speech disorder or mental condition.
Many students speculate why such an asocial person would want to become a club leader - but regardless of his reticent nature, he does a proper job of operating his club. He can be found in his clubroom almost every spare moment that he is not in class. His artwork is widely regarded as being very impressive - but he is frequently seen scrapping his work and starting over from scratch for no apparent reason.
He seems to dislike being distracted while painting, but will always make time to critique others' artwork if he is asked to (and sometimes without being asked to). Even though he never says more than two words per sentence, he always finds a way to impart sagely advice that helps his clubmembers to drastically improve their art skills.
Is he introverted and shy, or a cynical misanthrope? Is he a tortured soul, or a pretentious poser? Does he prefer to stay silent, or is there something that is forcing him to be tight-lipped? Nobody knows what to make of him, but everyone can recognize that he is an artist of great skill who is destined to be widely renowned for his works."
- Geiju was first shown in the "March Progress Report" video.
- His name 'geijutsuka' (芸術家) means 'artist' in Japanese.