第21話: 悠一が亜由を探し、なゆきが7年前の記憶を取り戻そうと試みる
2007年2月23日 放送
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)