The Nocturne of Farewell

The Nocturne of Farewell is the twentieth episode of the 2006 anime series Kanon.

Synopsis
As Yuichi and Ayu grow closer, Nayuki feels that she is being neglected by him. Ayu finally leads Yuichi to where her "school" is in the woods, but all they find is a large clearing with a tree stump in the center. The realization is too much for Ayu, and the unexpected happens right before Yuichi, in that she disappears.

Characters

 * Yuichi Aizawa
 * Ayu Tsukimiya
 * Nayuki Minase
 * Akiko Minase

Locations

 * Yuichi's High School
 * City of Snow
 * Monomi Hill

Trivia

 * A Nocturne is usually a musical composition that is inspired by, or evocative of, the night.