Murato

"Sora Mineoka" is a third year middle school student at Senriyama Middle school and a regular on the mahjong team

Personality
She is a fan of Sera Eguchi. She seemed to enjoy Toki's brash attitude.

Joining the Mahjong Team Arc
Yayoi Yokeguchi introduces her to Toki Onjouji as a third year member of the club and a regular. They begin playing a game. She asks about Sera and Yayoi tells her that they've been friends since elementary school. The game is quickly ended when Toki busts Murato and Murato seemed to take a liking to Toki afterwards.

The middle school tournament is soon upon them and Murato is the vanguard.