Nakagawa Shoko, also known as Shokotan, will release her new single Sakasama Sekai / Once Upon a Time -Kibou no Uta- (さかさま世界 / Once Upon a Time -キボウノウタ-) on December 11.
This is a double A-side single. 3 editions are available.
Sakasama Sekai is the theme song for the video game Puzzle & Dragons Z (パズドラZ) on Nintendo 3DS.
Once Upon a Time – Kibou no Uta- is the Japanese version of the ending theme song for the TV series of the same name performed by Nakagawa Shoko.