Tohma Ishibashi

Tohma has ash-blonde hair, pale skin, pale blue eyes, sharp features, and often wears a monocle in his left eye. He is described as a young and handsome man. He usually wears a monocle in his left eye, which gives him an intellectual and mysterious air. His hair is dark, although the exact shade may vary slightly in the illustrations. It is often seen neatly styled. His attire is usually formal and elegant, befitting his position as vice-captain of Frostheim.

Tohma is the vice-captain of Frostheim, one of the groups within Darkwick. He is described as serious, stoic, and very competent. He is intelligent and calculating, not hesitating to take the reins when the group's captain, Jin Kamurai, is absent. Although he maintains a cool and reserved demeanor on the surface, it is said that behind his monocle he hides a shrewd and perceptive gaze. He is willing to do whatever it takes to achieve his goals, suggesting that he may be ambitious and not hesitate to use any means necessary. They can also have a caring and concerned side, attentive to the well-being of others, although they may express it indirectly. It is mentioned that he values an organized life and a well-managed schedule.

Tohma possesses a stigma called "Argeas" that allows him to transmit vibrations over long distances, enabling him to send messages remotely. Thanks to an improvement by MC, Tohma gains the ability to use his stigma to overcome even the soundproof anomaly of Jin's room and send him messages.