
This game is rated ESRB: Teen for Suggestive Themes, Use of Alcohol and Tobacco and Violence.
Touhou Hyouibana: Antinomy of Common Flowers is a 2017 indie fighting game developed by Twilight Frontier, released on PC, PlayStation 4, and Nintendo Switch as part of the Touhou Project series. Set against a phenomenon called "Perfect Possession," in which an outside spirit seizes both body and mind of a host, the story follows various characters — some investigating the incident, some exploiting it, and some caught up in it unwittingly — as they chase rumors about the two strongest individuals joining forces. Combat centers on a 2-vs-2 tag-based format, blending close-range melee exchanges with ranged bullet patterns and free movement across the arena. Players can switch between partners mid-battle, adding strategic depth to the danmaku-style dueling. Modes include a story campaign, CPU and local versus matches, online network play, practice, replay viewing, and a music gallery featuring contributions from multiple composers.
A strange phenomenon called "Perfect Possession" is taking place. A phenomenon where one is taken over by a completely different person, not only in mind, but also in body. But have no worry: Reimu is already on her way to investigate the cause behind its occurrence. "The strongest duo have joined forces." "Something bad may be in store for us humans." "An opponent impossible to defeat by anybody alone?" Ludicrous rumors are circulating, seemingly out of the fear in human villagers' hearts. The so-called "Urban Legend Incidents", yet to be resolved, have bestowed unsubstantiatable rumors with a tendency to manifest in concrete forms. And this time, the Perfect Possession is obviously yet another Urban Legend Incident. This story is about those who keep watch on Perfect Possession, those who exploit it, those unwittingly dragged into it, and those working to expose the threat behind it... Those who have made the mistake of seeing themselves as the strongest duo. This is a bittersweet story about them.

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