It was announced to perform "Takoyaki Rainbow" live at the venue next to "Momoiro Christmas 2018".

MCZ's Christmas live will be held at the 'Saitama Super Arena' on December 24 and 25 this year,
It was announced in (MCZ producer) AKIRA Kawkami's program last night that "Takoyaki Rainbow" - the younger sister of Momoiro Clover Z, will perform at the venue surroundings (outer park).

たこやき恐るべし
やっぱ場数が違うぞ
初Ｓ楽しみ
（誤送信) #たこ虹 #TDF#momoclo pic.twitter.com/ZsPoAqf8ao

— momoiroclover (@momowgp) 2018年11月12日

Left-Yellow: Saki Kiyoi (Sakity) , Right-Purple : Kurumi Hori (ku-chan)