Tsukino Talent Productions is home to two up-and-coming idol units named Six Gravity and Procellarum. The units all live together in the same dormitory and try to juggle their budding careers and daily lives. At their joint handshake event, unit leaders Hajime Mutsuki and Shun Shimotsuki announce the "Full Moon Festival"—a collaboration concert in a few months. Excited about the upcoming event, these 12 male idols must learn to collaborate with each other in order to pull it off successfully. [Written by MAL Rewrite]

Tsukiuta. is based off of a multi-media franchise under the same name by Movic (credited as TSUKINO TALENT PRODUCTIONS). It is a collaboration project between popular Japanese voice actors and Vocaloid producers. The franchise has spawned multiple music CDs and drama tracks, as well as a mobile rhythm game, entertainment app, manga, online radio shows, 2.5D dance live shows, and a live-action movie.