|Japanese name:||多治比 真佑子|
|School:||Shouan Girls' Academy|
|Grade:||Second-year high school|
|Debut:|| Saki, episode 20 (unnamed)
Saki Achiga-hen, Chapter 19
|Voiced by:||Nozomi Furuki|
Mayuko Tajihi is a second year at Shouan Girls' Academy in West Tokyo.
Mayuko has long black hair tied into pig tails and brown eyes. She wears the standard Shouan Girls' uniform.
Prefectural Tournament Arc
Final eight Arc
In Saki Achiga, Harue Akado and Shizuno Takakamo comment on her match in the prefectures. They say Mayuko played pretty well until Awai declared double riichi. Harue also mentions she did amazingly during the individual tournament.