The Female Wolf-Demon and the Lunar Rainbow Promise Inuyasha : Season 4 Episode 2

Ayame, a female demon wolf, appears before Koga and tells him that she is his fiancée. But Koga is madly in love with Kagome. He runs away. Koga stops by at Naraku's castle. Ayame goes after him, and is attacked by a hair monster there. Meanwhile, Koga has caught up with Inuyasha and the gang.