An heir to both the Britannian Imperial family as well as the Sumeragi family of Kyoto house, her Geass is the power of absolute obedience, given through vocal commands.
When she is out of her disguise, Sakuya has longblack hair in a hime cut style, her eyes are pink, wears a metal collar that suppresses her Geass as well as changes her voice when disguised as Roze.