[DeepL Translation - needs review] With the birth of her baby brother, Nacchan became an older sister. Since her mother is busy taking care of the baby, she can no longer always meet Nacchan's needs. So Nacchan tries to do many things by herself. Nacchan tries her best now that she has become a big sister, but when she gets sleepy, she really wants to be pampered by her mother. The story depicts the sadness Nacchan feels when she becomes a big sister, and how she overcomes this sadness and g...
