Natchan became a big sister when her little brother was born. Her mother was busy taking care of the baby, so she couldn't always fulfill Natchan's requests. So, Natchan tries to do many things by herself. She tries her best because she's become a big sister, but when she gets sleepy, she just wants to be spoiled by her mother. This story depicts the sadness Natchan feels from becoming a big sister, and the growth of a child as she overcomes it, along with the mother's deep affection. I received this as a gift, but I already have the same item, so I am selling it.