Race: Vampire
Age: 17
Birthday: January 28
Zodiac: Aquarius
Blood type: B
School grade: 2nd year high school student
Occupation: Idol
Height: 176 cm
Weight: 55 kg
Eye color: blue (left), red (right)
Hair color: blond
Favourite food: vongole bianco
Hobby: dancing
Relatives: Ruki (adoptive brother), Yuma (adoptive brother), Azusa (adoptive brother)
Kou Mukami is the second son of the Mukami household. He is an idol in the human world as a side job. Kou is said to have a handsome, beautiful face. He has curly blond hair with his bangs covering the top right side of his face. He wears earrings on both ears.