The 20th installment of the Touhou Manzai Animation series, brought to you by "A~ru no~to"! Summer is here, and so is the festival—the Manzai Festival! "Touhou M-1 Grand Prix EX3: Scarlet Devil Manor Manzai Summer Festival!" is now in session! Twenty years have passed since the Scarlet Mist Incident at the Scarlet Devil Manor. Now, the finalists of the Touhou M-1 Grand Prix have hijacked it for a manzai takeover! The hijackers? Six incredibly popular and ultra-glamorous comedy duos, adored by "superheated" fans! They’ll be performing brand-new material + mega-evolved versions of their classic signature routines! Whether you’re a first-time viewer or a longtime fan, uncontrollable laughter is guaranteed! This summer, there’s absolutely no escaping the barrage of laughter raining down upon Gensokyo!