|Saeki Tokio佐伯 時生|
|Measurements||Height: 162cm, Weight: 60kg|
|Hair||Brown, Moustache, Short|
|Clothes||Necktie, Shirt, Trousers, Vest|
|Role||Teacher, Vice Principal|
|Visual novels||Side character - Kara no Shoujo|
|Voiced by||Umanami Kouta|
Vice principal of Ouba Girls Academy; faculty advisor to the art club. Hires Reiji to search for the missing students at his school. Pleads with him to conduct an investigation within school grounds in order to prevent any more casualties.