Last Period: The Story of an Endless Spiral (ラストピリオド~終わりなき螺旋の物語~, Rasuto Piriodo: Owarinaki Rasen no Monogatari) was an online free-to-play role-playing game created by Happy Elements.

An anime television series adaptation by J.C.Staff aired from April 12 to June 28, 2018.

An anime television series adaptation by J.C.Staff aired from April 12 to June 28, 2018.

[1][2][a] The opening theme is "Yokubari Dreamer" (欲張りDreamer, Greed Dreamer) by Natsuki Hanae and Yukari Tamura, and the ending theme is Waizuman no Tēma (ワイズマンのテーマ, Wiseman Theme) by Wiseman; a group consisted by Sayaka Harada, Akari Kitō, and Ayumi Mano under their character names.

[2] The game has been downloaded over 5 million times in Japan.