Hatori's university friend. A game creator. Originally worked for a major game company but is now independent. Primarily handles scenarios, character design, and systems. His notable work is "Last Carnival". He was the main creator during the adaptation of Chiharu Yoshikawa's work into a game. Dislikes manga artists. He talks a lot but doesn't come off as frivolous. He is secretly bisexual and has feelings for the caring Hatori.