Etsuko Sudayama

Etsuko Sudayama (須田山 悦子 Sudayama Etsuko) is the coach of the mahjong club of Shindouji Girls' High School in Fukuoka Prefecture.

Appearance
Etsuko has grayish hair and dark eyes, and she is relatively tall. She wears glasses and a dark headband.

National Championship Arc
After Kirame Hanada questions Etsuko's position on the team, she tells her that she achieved great things during the regional tournament and the first round where Yoshiko Yasukouchi then draws her attention elsewhere.

Etymology

 * The name Etsuko means "joy, pleased" (悦) (etsu) and "child" (子) (ko).
 * Etsuko's surname Sudayama means "ought, by all means, necessarily" (須) (su), "field, rice paddy" (田) (ta/da) and "mountain, hill" (山) (yama).