Maybe if Jonochrome had controlled himself about his likes, Riddle School would have been taken into account for any NG collab nowadays.

Now I understand why Jonochrome put this on Riddle School 3

I was going to ask about the bookmark since I took it near the end, lol

Riddle School cameo. That's all what I needed

No way, Phil Eggtree and Zack Kelvin from Riddle School

The original NG experience

Phil my beloved, where had you been all this day?!

No way, Castle Cat and Diz from Riddle School?!