Gouyu is a youma that resembles that a boar or a bison and can fly.
Kourin owns one as a shirei. Under the orders of her master, Kourin commands her gouyu to attack Youko Nakajima in the second episode of the anime and the third chapter of the first novel.
Isoku • Jyouyou • Kiki • Kingen • Kochou •
Kogou • Kyuuki • Oumu • Nyokai •
Saikyo • Sanki • Shirei • Shouhi • Tenken • Toutetsu • Youwa