Originally Posted by
Drip
There are theories about pulling a 4* or pulling three 3* in a row from the regular gacha would increase your chances at a 5* or 6* from the premium gacha. But, nobody knows for sure. t's possible one of the DMM developers built in such code, but it's at least as probable that it's just superstition.
I always get the idea that using bought FGs yields better results from the gachas than using the FGs aquired in-game. Really simple for any developer to implement, it would only take 4 lines of code or so, but, it's again at least as probable that my gut-feeling is just due to RNG.