Aikatsu! Season 4 Episode 21

With word spreading about a top secret guest set to headline the Starlight Queen Cup, everyone becomes curious as to who it will be, including Johnny. While visiting Ichigo’s bento shop, Johnny comes to the assumption that Masquerade is the special guest in question. His guess turns out to be completely off the mark, however, as the real guests are revealed to be Mizuki and Mikuru, who have reformed WM.