 In the 1986 film "Koisuru Onnatachi", Saito used a fake cigarette used for asthma patients due to her LDS beliefs, which forbid the use of tobacco, including smoking.Saito's father owns a long-standing and respected obi tailoring shop in Yokohama, and sells his obis to multiple kimono stores in Motomachi, Tobe, and other places within the city.Her brother is the actor Ryūji Saitō.