I don’t know- 500 Subscribers Special~

Background
I don’t know- 500 Subscribers Special~ is an animated 500 subscriber special, featuring references to past videos and characters.

Synopsis
The video opens with Mefus, who then starts moving side to side. The first reference is a can of soda, and a book with the title "Yoo7 Yowie," this is a reference to "Soda Drama Animation," the next items to appear in her hands appear to be random toys. Mew appears after the toys disappear, the word "crush?" appears next to Mefus, referencing "Mefus's Crush?"