IDOLiSH7 Ticket Case Distributed in collaboration with convenience stores. It's a ticket size, smaller than A5. It was stored in a collection file. Only protected from water and simple folding. Iori Izumi, Yamato Nikaido, Mitsuki Izumi, Tamaki Yotsuba, Sogo Osaka, Nagi Rokuya, Riku Nanase