These are currently very rare. These are stickers given by the cast at the first singing event "ODAIBA TOKIMEKI Stage" held at DiverCity Tokyo in November 2018. Nijigasaki High School Idol Club Ayumu Uehara Kasumi Nakasu Setsuna Yuki Ai Miyashita Kanata Konoe Rina Tennoji Shizuku Osaka Karin Asaka Emma Verde Aguri Onishi Mayu Sagara Tomori Kusunoki Natsumi Murakami Akari Kito Chiemi Tanaka Kaori Maeda Miyu Kubota Maria Sashide