"Flowers of Possession"), often abbreviated to AoCF, is a fighting video game developed by Twilight Frontier and published by Team Shanghai Alice for Microsoft Windows in 2017.

It is the latest fighting game in the Touhou Project series, being a continuation of the extra story mode from Urban Legend in Limbo's PlayStation 4 port, released in 2016.

[28] PlayStation 4 and Nintendo Switch ports were first announced in May 2019,[29] and on March 21, 2021, Phoenixx produced a promotional video, which revealed a final release date of April 22, 2021.

[3][30] The Switch and PS4 version of Antinomy of Common Flowers use an English fan patch, making it the first Touhou game to be officially released in a language other than Japanese.

[32] Comparatively, Noisy Pixel rated the PlayStation 4 version 7/10, praising its soundtrack, art direction, and gameplay, but lamented the lack of a move list on the game's pause menu, as well as the "somewhat spotty" translation.