第 21 集: 由紀尋找彩羽，而奈月則試圖喚醒他七年前的記憶。
2007年2月23日 播出
Ayu still has not come back, and Yuichi continues to search for her and her lost item. In the meantime, Nayuki tries to cheer Yuichi up while trying to jog his memory about what happened between them seven years ago. However, Akiko becomes the victim of a car accident, which could lead to devastating results. (Source: Kanon Wikia)