Rilu Rilu Fairilu (Japanese: リルリルフェアリル, Hepburn: Riru Riru Feariru) is a character franchise created in collaboration by Sanrio and Sega Sammy Holdings, illustrated by character designer Ai Setani (Kirimichan).

The third season focuses on a human girl called Arisu Hanazono, who discovers a magical pendulum and book one day, summoning Fairilus.

Arisu initially had many worries, but by meeting the friendly Fairilus and traveling into their homeworld, Little Fairilu, she gets a chance to solve her problems and change herself.

The franchise was first announced in Press Conference on December 11, 2015, as the second collaboration work between Sanrio and Sega Sammy Holdings, meant for the younger female demographic.

[10] Merchandise of the series is officially planned, including stationery, toys, raincoats, clothing and more and was released in March 2016.