Little Glee Monster is a Japanese J-pop group signed to Sony Music Entertainment Japan. The lineup has included 荒井麻珠, 芹奈, アサヒ, かれん, Manaka, and MAYU, making the group a notable name for listeners following contemporary Japanese vocal pop.
The group also appears in anime music searches thanks to its work on anime-related releases, including the 2025 ending-song music video for Rock Is a Lady's Modesty. For fans looking up Little Glee Monster, the act stands out as a Japanese J-pop group with a clear connection to anime music.