If you love touching stories that fill with meaning and shed light on the events of our lives, then the book by the Japanese author Genki Kawamura will not leave you indifferent. The main character's mother has Alzheimer's disease, and the woman forgets even her own son. Taking care of his mother, Izumi learns about her secret past and the life that her mother lived without him. This timeless story by Genki Kawamura is a touching story about time, illness, difficult choices of a person and his attempts to understand what is really important in life.