A gyaru who is incredibly strong at Mahjong. She is always gambling on games, but she aims to go pro one day and conquer the national scene. A third-year high school student who even visits Mahjong parlors alone.

A refined, neat high school girl who loves Mahjong. She is an intellectual player who uses cold calculation to aim for one-shot kills. A third-year high school student.

A friend of Guest. He is bad at Mahjong.