Sakiko is a girl with fair skin and a slim build. She has light blue hair that goes halfway down her back, partially tied into two pigtails with ribbons. She has gold eyes.Sakiko was born to mother Mizuho (豊川とがわ 瑞穂みずほ) and father Kiyotsugu (豊川とがわ 清告きよつぐ). She comes from a rich family and currently lives with her father. She used to attend Tsukinomori Girls' Academy. She is a talented pianist who has played the piano ever since she was young.