Adolf Stroud is an administrator at the College, a magical academy that serves as a central setting in the story. Originally from Dresden, Germany, he works as a clerk within the College's administration and is often one of the first points of contact for newcomers, having guided Chise Hatori and Elias Ainsworth upon their arrival. Despite his appearance as a young man, Stroud has lived for several centuries, a fact that places his origins well before the events of World War II, which he personally remembers.

His long life has granted him a unique perspective, though his path as a magic user was not one of exceptional power. Stroud was once an apprentice to the dragon sage Lindel, a formative relationship that left a lasting mark on him. He wears a decoration in his hair given to him by Lindel, a token that matches his former master's own ornament and signifies their continued connection. However, his dream of becoming a full-fledged sorcerer went unfulfilled due to what he considers his mediocre talent, leading him to his current role in the College's bureaucracy. Despite this, he is still regarded as a sorcerer affiliated with the institution.

Stroud possesses a serious and diligent personality, approaching his duties with a strong sense of responsibility. He holds himself to high standards and is prone to self-criticism, as seen after the resolution of a dragon-related incident, where he lamented that if he could not handle such menial tasks, he had no place at the College. This dedication to his work makes him a reliable, if somewhat stern, figure. He maintains a professional and respectful demeanor towards his colleagues, most notably addressing Mikhail Renfred as senpai out of deep respect for the older sorcerer. His relationship with Elias is more formal and functional, primarily serving as a point of contact for official matters.

One of Stroud's key functions within the College is that of a messenger and intermediary. He employs a bird familiar to convey important information and messages, a task he performed to deliver a crucial message to Elias Ainsworth. This role highlights his position as a behind-the-scenes operator who ensures the smooth functioning of the magical world. His role in the story is largely a supporting one, focused on organization, guidance, and communication. He helps integrate new characters into the College's environment and facilitates the transfer of knowledge and warnings between major players. While he cannot perform the high-level magic he once aspired to, his longevity and experience grant him a form of ability in itself, and his efficiency with administrative and familiar-based magic makes him an indispensable part of the College's operations.