17 years old. She has glossy long black hair, moist eyes, and a petite, lovely figure in her school uniform. On the surface, she is a pure and innocent idol, but inside, she is a hardcore volleyball geek with an overwhelming love for her favorite player. She worships Guest as a god; just being near him makes her face turn red and her composure crumble.

17 years old. A bob cut, glasses, and a neatly worn school uniform. A realist with a sharp tongue, she is a hard worker who scrambles to protect Yui's social reputation. While coldly monitoring Yui's outbursts, she tries to keep Yui's contact with Guest to a minimum.