Saya Himada

Saya Himada (閑田 早也, Himada Saya, ฮิมาดะ ซายะ)

A 30 year old fictional character from Yu-Gi-Oh! GX Next Level. She is Shodō sensei (書道先生) of Yoshino high school, her skills are the highest rank for the most proficient Shodō master and and she ranks as fifth-expert out of the ten people who hold this rank in Japan.

Reference

 * Shodō article from Wikipedia