The mighty Dragon God, the top boss of Gensokyo, somehow ended up as fertilizer in the Sunflower Field after Yukari, his official wife, caught him sneaking off to meet his sixth girlfriend, Kanako. On the way, he ran into his fifth girlfriend, Byakuren, who happened to be passing by. Then he got a call from his fourth girlfriend, Eirin, and was caught in the act by his furious third girlfriend, Yuyuko. So he called his second girlfriend, Yukari, for backup, and in the end, his official wife Yuuka punched him into the Sunflower Field to become fertilizer...
Fang Hanye, a nobody from the outside world and a Touhou fan, is entrusted by the Dragon God after his death to fulfill his unfulfilled dream: becoming the Conqueror King of Gensokyo.
