A girl from a small village chosen as the sacrifice to please the Water God, Habaek. When she was a child, she was prophesized to love two men in her life. She finds herself attracted to Mui, who she believes is Habaek's cousin, unaware that Habaek (the child) and Mui are the same person. However, later on Soah realizes this, and this knowledge is believed to have been passed on to her by the Emperor. Soah refers to herself as a false bride; eventually it is revealed that her father sold her to take the place of another girl intended for sacrifice.
The fifth member of the club. Although popular with the boys, she has admiration for Tsukasa due to reasons unknown, and does not want anyone to hang out with Tsukasa. She can do drawings and write words and also has the ability to make each of those those words into tangible symbols. Although she acts like a princess, she actually comes from a rather large family with a lot of siblings.
The fourth member of the club. Although almost emotionless, she has the ability to use and manipulate the wind. She has a wealthy, overprotective father who does not want her to use her powers after her mother died, but he eventually lets go of that trait, knowing those powers she have are a reminder of her mother.
Sasami and Misao's homeroom teacher. Just like her counterpart in the Tenchi franchise, she is clumsy and goofs up a lot.