Louis Scarrel serves as a knight within the Royal Knights organization, holding the distinction of being the youngest individual to achieve this rank in history. He stands tall and handsome with a strong physical build, characterized by kindness and nobility. He possesses the ability to transform into a squirrel, a trait he uses discreetly to observe others. His first encounter with Sophia Reeler occurred while he was in squirrel form within their schoolyard; she offered him bread, unaware of his human identity. During this meeting, Sophia also confessed her feelings, not realizing she spoke to Louis. As an examiner for the Royal Knights' apprentice recruitment, he encountered Sophia again when she became lost en route to the exam. After assisting her, he observed her performance, noting her exceptional physical capabilities stemming from her gorilla blessing. When Sophia sustained rope burns rescuing another examinee, Isaac Sheehan, Louis treated her injuries in the infirmary. During this interaction, he became flustered upon realizing he was still holding her hands, signaling his growing awareness of her. Following the exam, Louis transferred to Sophia's academy as her senior. He intervened when his admirers targeted Sophia, publicly requesting they refrain from harassing her. He later inquired directly about her gorilla blessing. Upon her admission, he expressed admiration and offered his ongoing support. Their relationship progressed to the point where they began dating secretly. Louis maintains friendships with Isaac and Eddy Feles, the latter being his junior within the knight order. During a snowy mountain training exercise with the Royal Knights, an incident occurred where Eddy slipped near a cliff. After an academy party incident involving anti-monarchist elements, Sophia became preoccupied with Louis's apparent avoidance of eye contact, leading her to question whether he was displeased with her independent actions or had developed a negative opinion of her.