Aishiteruze Baby, Volume 7 (Aishiteruze Baby #29-33)

Kippei finds a photo of Yuzuyu's mother in the wastebasket. When Kippei shows the photo to Yuzuyu, asking her if she threw the picture of her mother away, Yuzuyu doesn't remember. In fact, Yuzuyu doesn't even know who the woman is - she can't remember her mother at all!