Mr. Saionji (西園寺 - Saionji) is a member of Saionji family. He is the father of Ren Saionji.
The head of the Saionji family. His full name is unknown.
Together with his wife Mayuko, he welcomes Kanata with open arms and treats him kindly as a son, introducing him to Ogata and helping him find his father. He loves cars and respects Kanata as a driver.