They heavily underestimate the context;
Fuwamoco isn't extremely successful just because they're twins, Fuwamoco is extremely successful because they are Fuwawa and Mococo. Trying to find twin who beats them is like their constant failure attempts to find someone who beats Gura
Any Color Virtual Talent Academy has opened auditions and is looking for a “vtuber pair”.
Due to the success of vtuber twins they want their own fuwamoco’s I suppose..