Full-Face is a senior colleague at the bookstore, specifically assigned to manage the Shogakukan section and its books. His most striking feature is the full-face motorcycle helmet he constantly wears, completely obscuring his face. This racing-style helmet creates a consistent, distinctive visual signature.

Personality-wise, Full-Face exhibits a highly organized nature. He meticulously maintains order within his section and proactively extends his tidying efforts to shared spaces like the stock room, acting without needing to be asked. In interactions, he presents a soft-spoken and humble demeanor. His consistent willingness to assist colleagues fosters a positive workplace atmosphere, earning appreciation even from peers known for their cynicism.