Tsuyuzaki Mahiru

"In the play that is my life, I decide. Now burn, burn like the sun, and light my path forward!"

Karen and Hikari's roommate. She is a cheerful Stage Girl with a vast range of expressiveness, and is looked up to by her juniors, but can get extraordinarily scary when angered. She gave Hikari a push of motivation and sent her on her way to share the fated stage play with Karen. She aims to join the New National First Theater Troupe, in order to become a Star who brings smiles to everyone.