Tomo Minaguchi is the protagonist of the series and lead singer of the Lemon Angels. She has light blue hair with an ahoge and two long pigtails. Very squeaky-voiced, clumsy, and loves to eat. She's not that good coming into the Project, but gained both singing and dancing skills as the series progressed. It is revealed that Yui created the former Lemon Angels lead singer Anne in her image. Tomo is best friends with Saya and Erika.
- Her name is a reference to Tomo Sakurai.