 In 2008, Dolly released singles "Closet Letter" (クロゼットレター), and "JULIET" as well the Mini Album "HeavenwOrd" as part of their "5 Coaster Cabaret" Concept; the live distributed single "Hana Uta" (花唄) and the free distributed single "Shikisai Gradation"　(四季彩グラデーション).In December they signed a contract to a major label, and released the album "Primary, Premium Best" which contains "Strawberry on the Scalp", "Pumpkin Carriage Parade" and other singles and b-sides, and a new song as a bonus track "Usagi Uta" (兎唄).In February 2009, Dolly started the year with a single "Toki no Ressha" (時の列車) and a DVD "Sai-collect picture" (再コレクトピクチャー).