/☆ = fave fave fave/

since ep 1 :

• lee kaeun (pledis)
• woollim girls
  • kwon eunbi ☆ IZ*ONE member
• yamada noe (ngt48)
• ahn yujin (starship) IZ*ONE member

since ep 2 :

• miyawaki sakura (hkt48) ☆ IZ*ONE member
• idol school girls (stone)
  • jang gyuri
• go yujin (blockberry)
• kim choyeon (a team)

since ep 3 :

• son eunchae (million market)
• yabuki nako (hkt48) ☆ IZ*ONE member
• chiba erii (akb48)
• cho ahyoung (fnc)

since ep 4 :

• takeuchi miyu (akb48) ☆
• son eunchae (million market)

since ep 5 :

• goto moe (akb48)
• park seoyoung (individual trainee)

since ep 6 :

• kang hyewon (8d creative) IZ*ONE member
• han chowon (cube)
• park haeyoon (fnc)

since ep 7 :

• kim chaewon (woollim) ☆ IZ*ONE member

since ep 8 :

• choi yena (yuehua) IZ*ONE member
• takahashi juri (akb48)

since ep 11 :

• lee chaeyeon (wm) IZ*ONE member