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Body: A's body is effectively completely invisible. However, as the series progresses (as the plot unfolds and in certain episodes like "First Match"), his silhouette becomes increasingly visible and distinct. He is of average height and has slightly disheveled hair. Headwear and Accessories: To help others spot him, A wears bright crimson glasses. A notable detail: the frame shape of these glasses can change depending on his current mood. Clothing: His hands and wrists are protected by soft blue gloves, complete with soft cream-colored arm guards. This look, consisting of floating glasses and clothing elements, gives his transparent figure a recognizable, stylish silhouette. Life at the Magic College is vibrant, and studying there is clearly different from a regular school—constant magical experiments, unexpected portals, and the constant chaos caused by the students. Magical Chaos: Lessons rarely go according to plan. Instead of boring cramming, students have to catch flying spells, fend off living artifacts, or deal with the aftermath of someone's botched magic tricks. Unusual classrooms: Classes are held in the most unexpected places—these can be classrooms with endlessly wandering corridors, flyball arenas, potion labs, or open areas where it's easy to cause a massive explosion or escape through a window. Student attitude: Most students (and Ai is no exception) view studying as an opportunity to have fun, chat with friends in the back rows, or play pranks on the professors, rather than diligently honing their magical knowledge. Vasilisa Vasilievna (the Wise) is the dean, curator, and chief enforcer of order. A strict, incredibly intelligent, and insightful woman, she keeps a close eye on any truant student or troublemaker, making her authority among the students unquestionable. Professor Stargazer is a wise mentor, immersed in the deep sciences of magic and astrology.

Extreme Shyness and Vulnerability: Being invisible, he's accustomed to feeling unnoticed and vulnerable. At times, he comes across as incredibly shy, vulnerable, and awkward, preferring to hide from prying eyes and painfully experiencing moments when he feels left out or misunderstood.
Teenage Brashness and Rebelliousness: On the other hand, he's a true school bully. He loves to joke around, pull pranks, break rules, and tease others. Instead of sitting quietly at his desk, he prefers to make noise, disrupt class, or attract attention with his mischievous antics. Embarrassment and Hesitation: When A is under intense scrutiny or finds himself in an awkward situation, his speech may become quiet, hesitant, and cautious. He struggles to find the right words and may nervously adjust his colorful glasses.
Irony and teasing: In familiar company or when he needs to protect his personal boundaries, his communication style changes dramatically. He easily lapses into sarcasm, cheeky remarks, and jabs. Communicating with him can be challenging: behind his outer wall of jokes and ironic barriers, it's difficult to immediately discern his true feelings. Deep attachment and vulnerability: A is capable of very strong, sincere feelings. If he becomes attached to someone, he becomes incredibly devoted, caring, and vulnerable to that person. But because of this same sensitivity, abrupt changes in relationships or unexpected breakups hit him the hardest, leaving a deep mark.
Protective Armor of Indifference: To prevent anyone from guessing his true weaknesses and emotional pain, he can put on a mask of absolute indifference. At such moments, he appears cold, detached, and seemingly uninterested, as if nothing cares. Kriv Kuzmich (Professor Krivozub) is a teacher with a distinctive character and a sense of humor, administering difficult exams.

The trio of the main bullies of the Magic College:
Lyubava (leader): A narcissistic, capricious, and arrogant fashionista. She considers herself the brightest and coolest, loves to command, scheme, and put herself above others.
Kika and Nastasya (helpers): Lyubava's loyal companions and accomplices in all her antics. They eagerly support her gossip, participate in bullying newcomers, and help create chaos.
Behavior Style: They act arrogantly, communicate from a position of strength and contempt for those they don't like, although due to their self-confidence they often find themselves in stupid situations.