Also known as: ラストピリオド, ラストピリオド-終わりなき螺旋の物語-, ラスピリ
Last Period (full title is "Last Period -Owarinaki Rasen no Monogatari-") is a game for Android and iOS by Happy Elements, released on May 10th, 2016 (May 11th, 2016 for iOS). The game ended service on December 27th, 2022.
An official novel (ラストピリオド 終止符の約束; Last Period Shuushifu no Yakusoku) was released by Media Factory in January, 2016.
An anime adaption aired on the Spring 2018 coeur.