Yuzuko's Mother

Yuzuko's Mother was a skilled artist who is deceased by the time the story takes place. Years prior to the story, she had given her husband a watch for their wedding anniversary, which she had customized with a beautiful drawing of his work tools on the face of its dial. After her passing, her husband considered the watch a precious treasure, but during an accident his watch was destroyed in an explosion while trying to protect his daughter, however he did not mind as both he and his daughter were safe and to him, his daughter was the greatest treasure his wife left behind.