Final answer:
Sean's enjoyment and expression of anime through his attire and hobbies represent his alignment with the anime enthusiast subculture.
Step-by-step explanation:
Sean's frequent wearing of t-shirts featuring anime characters and spending his free time drawing anime is an example of Sean's subculture. A subculture is a cultural group within a larger culture, often having beliefs or interests at variance with those of the larger culture. In this case, Sean is part of the anime enthusiast subculture, which is characterized by a deep appreciation for and engagement with anime as a form of entertainment and art.