Episode 22

A Wicked Smile; Kikyo's Wandering Soul is the twenty-second episode of the InuYasha anime. It first aired in Japan on April 9, 2001.

Plot
Kikyō, who survived her encounter with Inuyasha, lives peacefully in a village, but must steal the souls of the dying to maintain her presence in the world, which alarms one of the village girls when a monk named Seikai is killed by the shrine maiden when he tries to save her soul. Meanwhile, Inuyasha, Kagome, and their friends investigate girls losing their souls, which inevitably leads them to Kikyō.

Trivia

 * Episodes 21 and 22 originally aired together as a one hour special.
 * The deceased princess white kimono's collar was in opposite position rather than "y" shape (if viewed it from the front). According to Sinosphere's culture, once a man who dressed it in opposite collar, it showed that somebody had deceased.