Sgt. John "Soap" MacTavish has joined the most peculiar of all SAS patrols. Where would it take him?

Lieutenant John Price was tasked with the retrieval of a dangerous bio weapon. But what he found may change his life forever. Prequel to Call of Duty: Touhou Warfare 1.

Captain Price and Soap travel to Gensokyo in order to evade U.S Forces. There they become entangled with the locals, namely the Scarlet variety. Things become worse when the U.S Forces show up in Gensokyo and learn about the spellcards.