Despite this, there's been multiple evidence over the years that he played the Ishikawa character.
https://seiga.nicovideo.jp/seiga/im1755385
https://seiga.nicovideo.jp/seiga/im11645758
I think "Horie Kazuma" should be separated from "Airmoto" and "Ishikawa (Airmoto)" because Horie denies appearing in Soka Gakkai's promotional material.
Yeah, it was posted on TikTok and Instagram by their account. I just reuploaded on an archival channel since both sites are not supported currently. https://www.instagram.com/reels/DI_1-82iTg6/
I think this does just about qualifies as a work, but is this actually something Eurovision themselves made and released? This implies that this is a reupload, but I want to make sure.