Depict a contrast between two siblings in a style similar to Princess Mononoke

Depict a contrast between two siblings in a style similar to Princess Mononoke. Show the older sister as responsible and hardworking, overshadowed by the younger sister who is being excessively pampered. The parents should appear distant or preoccupied, with a sense of favoritism being apparent. The setting should reflect the disparity in treatment, with celebratory elements surrounding the younger sister and a more somber tone around the older one