Saki, Anju, Chiaki, Ami, and Kaya reunite for the first time in years. The five of them excitedly decide to go Toshimaen Amusement Park, a place that was very important…

Living in the lawless Ishinari District in a future Japan, sisters Ami (Hina Nagimiya) and Yoshie (Hanakage Kanon) who sold their bodies to help their parents, try to earn a…