Ace Trappola, a first-year student in Heartslabyul Dorm, is a close friend of Kasane’s known for his mischievous streak and quick wit. Ace’s upbeat and carefree attitude often brings levity to tense situations. Despite his playful nature and tendency to slack off academically, Ace is surprisingly clever and magically adept. "A quick learner with an upbeat personality and a mischievous streak. Since he and Deuce are both Heartslabyul freshmen in the same class, they regard one another with amicable antagonism."