Toki means "time" in Japanese.
Toki is the taxi driver Keisuuke and Tetsuya passes through after arriving at the city of Morioka (Iwate prefecture, Japanese North East), and he discovers that Tetsuya and Keisuuke know about The Universe of the Four gods. He is told by Tetsuya all that happened to the book and about Miaka's story and adventures, and when Keisuke learns that Tetsuya that he told "the taxi driver," Toki tells him not to worry, because his grandmother had also mentioned such things. He himself takes them to Suzuno's house and tells the both of them about her claims, though he admits that he doesn't know if he should believe them.
Tetsuya, Keisuuke and Toki witness Suzuno's death, while Keisuke briefly tells her about Tatara's own demise in battle. They also witness the event when Tatara and Suzuno's souls were reunited in the forms when they were still young.
He lastly appears in the first OVA, Toki leads Keisuuke, Tetsuya, Miaka, and Tamahome to the Genbu Grotto.
- Don't worry. My grandmother claims to be one, too.
- Okay, this is the Genbu Grotto.
- This is my grandmother, Suzuno.
- Allow me to introduce you,Osugi Suzuno, Priestess of Byakko.
Appearance and Personality
Toki is a bald young man with black eyebrows and amber eyes, apparently in his mid-to-late 20's/maybe early 30's. He does not talk that much, but he always cooperates and tries to take care of his aging and dying grandmother.
Toki cares for his grandmother Suzuno, but as a very practical man who's reluctant to believe in supernatural or intangible things, he thinks that her tale is ridiculous and untrue. Additionally, he seems to be both stressed and worried because Suzuno is about to pass away of old age and yet she "clings" to what, in his view, is few more than "an old woman's fantasies". Toki finally believes her when Suzuno passes away and Tatara dies too in the book's world, and he's also there when Suzuno and Tatara's spirits are reunited in the forms when they were still young.