Quiz! The Iwakan 1 season · 2020 · Ongoing ★★★★★0.0 EpisodesAll seasons S01 · E01 Episode 1April 13, 2020Cast Shinya Ishikawa Soshina Ryusei Onishi Joichiro Fujiwara Kazuya Ohashi Daigo YamamotoMC Nobuyuki HayakawaMC Mako TamuraAnnouncer ← All series
