rainbow factory
RainbowFactory 彩虹工厂经理 彩虹工厂 杯糕组
An infamous grimdark My Little Pony: Friendship is Magic fanfiction in which a factory creates rainbows by killing ponies. Usually involves Rainbow Dash working there or even running it.
See also
This tag implicates my_little_pony:_friendship_is_magic (learn more).
