Considering that, kiria is cooller's fake account (he moved to USA), rapha's aim is madness.
Considering that,
This refers to whatever was above it, but if there was no comma, it would refer to whatever comes next.
If you weren't trying to say, "unless cooller made an account called kiria and moved to the USA, then this is rapha" or something, then I guess it's right. But I was pretty sure you were saying, "(he moved to USA)" to disprove any possibility that this was cooller?