Strange things are afoot. When things beyond human understanding surface, threatening the peace and leaving behind an endless trail of blood. When such incidents arise, Scotland Yard’s Demon Hunter in residence, John Sinclair, is on the case.

PotatoStarch, a streamer who's gaining popularity for his excitable attitude and witty banter, has begun streaming Dragon Demon RPG-DX, an unreasonably difficult game. When he “possesses" his character, Kuroi, his fate unexpectedly changes forever.