Satsuki has long dark-colored hair in two small ponytails on her left and right side and light-colored eyes. She wears a light-colored sweater over a dark-colored shirt, a dark-colored skirt, socks, and shoes.
Despite being a young girl Satsuki a rather pretentious and authoritarian person.
When Arisa introduces Kei to her co-stars for her next acting job, she's greeted Akira. Kei instantly recognizes Akira, who is then bonked on the head by Satsuki as she proceeds to chastise Kei for her impertinence.