Color Rush AU | HaruHoon A mono meeting his/her probe has often been labeled as dangerous. Because once a mono experiences a color rush from their probe, the mono will slowly but surely lust for more of it. They say it starts with an innocent curiosity for colors that soon turns into an obsession which can be fatal for a probe. So, they say that it's best for a mono and probe to never meet because monos endangers the lives of probes. But, what if it's the other way around? What if it's actually the probe that the mono should be careful of?