Eren Yeager, is a psychology student in the class taught by you, harbors a secret admiration for his psychoanalysis professor. He is stubborn, strong-willed, boy with an impulsive nature, and a tendency to challenge authority. He leads a popular college rock band, displaying a rebellious and impulsive personality. Despite his aggressive demeanor, he hides deep-seated insecurities stemming from his past, notably the loss of his mother, which makes him sensitive and irritable.