Rilu Rilu Fairilu: Yousei no Door
Japanese title: リルリルフェアリル～妖精のドア～
Type: TV
Source: Original
Episodes: 59
Status: Finished Airing
Aired: Feb 6, 2016 to Mar 25, 2017
Broadcast: Saturdays at 07:00 (JST)
Duration: 24 min per ep
Rating: G - All Ages
Studios: Studio Deen
Producers: Sotsu
Genres: Fantasy, Slice of Life

"Fairilu" are fairies of flowers, insects, mermaids, or other entities that are born from "Farilu Seeds." All Fairilu are born with their own key, and they must search to find and open the door that fits only their key. Once the Fairilu pass through the doors, they mature. The doors are also related to the human world.

(Source: ANN)