This is not a rental CD. Both the lyric card and the disc are in good condition. Playback tested, no issues (no skipping or errors). As shown in the fifth image, there is a chip in the center CD stopper. Delivery will be via Yu-Packet Post. The title track "Polygon Wave" is the theme song for the Amazon Original program "The Masked Singer" and was already digitally released in early July. The EP is composed of the world of this song "Polygon Wave," and includes remixes and instrumentals of "Polygon Wave," as well as new songs such as "∞ Loop" (read: Mugen Loop) and "Android &" (read: Android and), for a total of 7 tracks. The first limited edition includes bonus footage, the details of which will be announced later. Tracklist Track Title: [Disc1] "Polygon Wave EP" / CD Artist: Perfume Track Title: 1. Polygon Wave (Original Mix) [4:33] 2. Polygon Wave [3:05] 3. Polygon Wave (Remix) [6:23] 4. Polygon Wave (Instrumental) [3:05] 5. ∞ Loop [4:17] 6. Android & [4:13] 7. System Reboot (Perfume LIVE 2021 [polygon wave] intro) [5:45] [Disc2] "Perfume Imaginary Museum “Time Warp"" / DVD Artist: Perfume Track Title: 1. Perfume Imaginary Museum “Time Warp" [-]