The opening theme "Platform" for the TV anime "Dusk Beyond the End of the World" is a newly written song with lyrics and music by Uru. The arrangement is by Hayato Tanaka, who also arranged "Ambivalent," the second cour opening theme of the TV anime "The Apothecary Diaries." The Limited Edition comes with a Blu-ray featuring four live videos from Uru Tour 2023 "contrast" final performance held at Tokyo LINE CUBE SHIBUYA ("Love Song," "Hakusekirei," "Koi," and "Soba ni Iru yo") and music videos for "Never ends" and "Tegami."