She has the power to flip anything over, and has extreme contrarian tendencies; liking whatever others dislike, becoming unhappy whenever others are happy, saying the opposite of what she really means, and so on. She is the instigator of the plot of Double Dealing Character, manipulating Sukuna Shinmyoumaru into helping her create a world where the weak will rule over the strong.
She has two small grey (or white) cone horns on the top of her head and short multicolored hair of black, white, and red streaks. She wears a multicolored dress of the same set of colors with an arrow print on the bottom and puffy short sleeves, a blue bowtie, a blue sash with a bow on her back, and sandals.
- Touhou - God Damn It Seija! - A pool of Seija reversing things at the expense of other people.