@@houghwhite411 I made that comment when I did not know about their debut years. Yukarin and Nana-chan debuted in 2015 while Sayacchi and Yui-chan debuted in 2018. SOLIVE24 changed to Weathernews LIVE in 2018, so Sayacchi and Yui-chan did not experienced it all along. The reason they were in the SOLIVE studio is because they were renovating the current studio into what we are seeing today.