THE IDOLM@STER Million Live! series announced today that its "SPECIAL SOLO RECORDS" project completed the release of all its products as of July 15, 2026, and achieved a Guinness World Record. The challenge name for the record is "Most consecutive weeks to release a version of the same music on a CD by a music act." This project is a plan to release solo collection CDs for all 52 idols belonging to the series over 52 consecutive weeks, which began on July 23, 2025, with a CD featuring Mirai Kasuga. For one year since then, releases continued every single week without interruption, and on July 16 of this year, the 52nd and final CD featuring Ritsuko Akizuki was released. The CD contains nine songs and is priced at 3,300 yen (20 USD) including tax; the total price for all 52 CDs is 171,600 yen (1,048 USD). "SPECIAL SOLO RECORDS" song list: 　(All CDs contain the same songs) "Brand New Theater!" "UNION!!" "Flyers!!!" "Glow Map" "Harmony 4 You" "Yume ni Kakeru Rainbow" "Crossing!" "Good Sign" "7Days A Week!!" "SPECIAL SOLO RECORDS" Project PV Mirai Kasuga edition CD jacket Ritsuko Akizuki edition CD jacket In addition, an event celebrating the achievement of the Guinness World Record will be held at a location in Tokyo on October 25, 2026.