There has been an announcement today on the KINMOZA! website that the voice actress unit Rhodanthe* is set to perform the theme song for Kin-iro Mosaic Pretty Days special episode. Mind you that the the theme song single CD “Happy * Pretty * Clover” will be shipping on November 19th and cost 1,500 yen, along with this will be the songs “Shining Star” and “Starring!!” with karaoke versions included as well. It should be noted that the voice actress group consists of the voice actresses for Shinobu, Alice, Karen, Aya and Youko, the group also performed the OP and ED songs for both of the television anime series. The special episode will release in theaters across Japan on November 12th. Originally Kiniro Mosaic began as a manga that started April 19th 2010 and has been ongoing. Its first season began July 6th 2013 and ended September 21st 2013 with 12 total episodes airing. A second season later released on April 6th 2015 and finished June 22nd 2015 with 12 episodes releasing.
Following this is the plot summary of the specials quoted from ANN:
In the episode, the school festival is on the horizon and something is off with Shinobu. She says she’s been very sleepy in the mornings lately, and it seems she has pushed herself too hard working on the scripts and costumes for their class play. Alice and Yōko, who are in another class, notice her circumstances.