What is "fan service"

n. (alternative form of fanservice English)

is Japanese pop group Perfume's ninth single. It was released on February 14, 2007.

Fan Service [sweet] was the group's first single for the year 2007. The release date coincided with Valentine's Day, a theme present in the song "Chocolate Disco". It was issued in special packaging containing a DVD with music videos and a 20-page booklet, and only a limited number of pressings were produced. However, both songs were included in the group's album GAME, released the next year.

"Chocolate Disco" has been referred to by young people as a "traditional Valentine's Day song".

, fanservice, or , is material in a work of fiction or in a fictional series which is intentionally added to please the audience. The term originated in anime and manga fandom but has been used in other mediums. It is about "servicing" the fan – giving the fans "exactly what they want." Fan service usually refers to "gratuitous titillation", but can also refer to intertextual references to other series or story and visual elements that audiences tend to desire.