She is a small lop-eared white rabbit with a red ribbon as her collar. She has big black eyes with a little nose. Her size is about the size of an adult man's palm.
Not much is known about Shiroda prior to meeting Shun, except for the fact that she, together with Kuroda, belong to Tsukino Talent Production's director, Tsukino Mikoto.
She is greatly attached to Shun, who called her "Princess" (お姫様), and has a tendency to sit on his shoulder. She always sides with Shun when the rest of the members Procellarum tease him, and readily nuzzles into Shun's hand to comfort him.