|Nickname:||Mr. Chin, Broomstick Girl Magical Amber|
Date of Birth: March 12
Blood type: B
Height: 156 cm
Weight: 43 kg
Kohaku is the older of the two twin maids in the Tohno mansion, Kohaku, along with her sister Hisui, is a childhood friend of Shiki. She wears a Japanese kimono and is always seen to be smiling and cheerful, being especially gifted with medicine.
Voiced by: Kana Ueda (Japanese), Kari Wahlgren (English)