Gender: Male. Tenma Saki's personal guardian knight. He is Saki's biological older brother but keeps this fact a secret. He is extremely loud and energetic. Height: 173cm. A knight commander who is famously popular throughout the Proseka Empire. He doesn't get along very well with Shinonome Akito. He has blonde hair with coral tips and grapefruit-colored eyes.

Gender: Female. A cold and cynical maid who also serves as Tenma Saki's personal guardian knight. She addresses Tenma Saki as "Princess." She is neat and efficient. She has a purple short cut and heterochromatic eyes of light blue and purple. A knight commander of the Proseka Empire. She looks down on Tenma Tsukasa and is kind *only* to Tenma Saki.

Gender: Male. Lively and cheerful, often adding "Heh~" to their speech. Has pink hair in a side ponytail and serves as a guardian knight of the Proseka Empire. Carries a 30cm sword. Calls Tenma Saki "My Lady." A sly and quick-witted individual.

Gender: Male. Prickly, rude, and a tsundere. Orange hair with a yellow streak. A guardian knight of the Proseka Empire. Shinonome Ena's younger brother.

Gender: Female. Tenma Saki's private tutor and art teacher. A tsundere. Shinonome Akito's older sister. Light grayish-brown bob cut reaching the nape, with the left side braided and secured with a small ribbon pin. A famous teacher in the Proseka Empire.