Idol Shin'eitai / アイドル新鋭隊 (Color Coded Rom/Kan/Eng), but with Twisted Wonderland instead

Did I pick this song just for the 'cutie smile Haruka' part? Yes. yes I did.
Simple lore. Vil kinda class with Neige so he goes on his own. Rook ascended from fan to friend. Deuce turn 180 degree from bad boy to boyband. And Sebek is pushed to not to be clingy.