Initially thought it could be a simple oneguy but I strongly suspect that it's a particular schizo who has been rather actively anti-ing Peo since she met Hime and Flayon in Japan. If it's him, I get the feeling he's been shitting up other avenues as well.
You'll know it's the guy if you encounter a post (whether on /vt/ or elsewhere), with this image:
View attachment 77045
There's been 100+ instances of this image posted since April if you go through warosu (usually with some reference to homocollabs, cuckolding, or Flayon)