It's as the Title says, everyone shall become Spike's Onee-Chan! Don't believe me you say? Well take a good look at these pictures and I bet you'll be compelled to write incest stories!

Princess Cadence counts as well since she is after all, an in-law! So, what do you think of my findings? Time for some Spike incest stories?

4569193 Sometimes it can be with adoptive relatives, but that's just everyone else's misconception on incest.