fan service n. a feature, inside joke, or obscure reference included in entertainment primarily to please a core fan group, or a work of entertainment expressly created for that purpose; (hence) in anime and manga, visuals which include nude or semi-nude figures. (source: Double-Tongued Dictionary)
Further reading
National Book Award winner Barry Lopez had wise advice for young writers. First, read widely and follow your curiosity. Second, travel or learn a foreign language. And third, find out what you truly believe, because if you’re not writing from...