On October 8, 1976, in the current world calendar, the number of tamagot in Gensokyo began to skyrocket, and they wreaked havoc in Gensokyo. In order to protect the Great Barrier, the girls of Gensokyo began to solve the mutation. However, it failed in the end, and the big barrier was destroyed by Mao Yu. In order to prevent the hairy jade from flowing into the outside world, Yakumo Purple used her special move to clean up the excess hairy jade. However, it merged Gensokyo into another parallel world...
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.