ChamJam is a minor underground idol group active in Okayama Prefecture that appears in Oshi ga Budokan Ittekuretara Shinu manga by Auri Hirao, as well as the anime adaptation that will air in January of 2020.[1].
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ChamJam is a minor underground idol group active in Okayama Prefecture that appears in Oshi ga Budokan Ittekuretara Shinu manga by Auri Hirao, as well as the anime adaptation that will air in January of 2020.[1].