[Machine Translation] The 15th anniversary album of milktub! This two-disc set includes songs by female vocalists produced by milktub and rock songs sung by milktub itself. The female vocalist disc features guest vocalists Konata Izumi (CV: Aya Hirano), Kagami Hiiragi (CV: Emiri Kato), Tsukasa Hiiragi (CV: Kaori Fukuhara) and Miyuki Takara (CV: Aya Endo) from "Lucky Star"! Newly-drawn jacket.