One story could be that the little sister tries to teach the family dog new tricks. She spends hours patiently showing the dog how to roll over, and with lots of treats and encouragement, the dog finally masters it. It becomes a fun activity for both of them.
In some families, it might happen on occasion. Siblings can have disagreements or situations where an older sister might take it upon herself to discipline in a wrong way like spanking. However, it's not a common or acceptable form of discipline in a healthy family environment. Parents should be the ones mainly responsible for discipline, and spanking is also not a recommended form of discipline in general.
To support a little sister who is pregnant, the family needs to be very inclusive. They should not isolate her because of the pregnancy. Encourage her to maintain a healthy lifestyle during pregnancy. If she is still in school, work with the school authorities to ensure she can continue her education in a way that is suitable for her situation. And most importantly, love and accept her unconditionally throughout the process.
A sister-in-law referred to her husband's younger sister. Among the relatives, the husband's sister was called sister-in-law. In some places, she was also called a granny. His sister-in-law's partner was called his sister-in-law. The relationship between sister-in-law and sister-in-law was called sister-in-law.
There are also folk tales from different cultures that include a little sister character. These tales usually carry moral lessons and show the little sister in a positive light, whether she is brave, kind or clever.
A family - friendly story could be about a little sister wearing a bikini at the beach. She is excited to build sandcastles and look for seashells. She plays with her beach ball and has a great time with her family, enjoying the sun and the ocean without any inappropriate elements.
When the little sister is sad, the family dog senses it and comes to cuddle with her. It lays its head on her lap and stays there until she feels better. This kind of emotional support between them is really special.
There are likely some out there. You can start by looking on fanfiction websites like FanFiction.net or Archive of Our Own. Search for stories tagged with 'Naruto' and 'family' or 'sibling relationship'. Some might focus on Naruto having a little sister and their adventures together in a non - romantic, family - centric way.
No, it's not normal in most traditional family settings. Diapering is usually associated with taking care of younger siblings or babies, not the other way around. It goes against the typical age - appropriate roles within a family.
In 'My Sister's Keeper', the story of the sister who was born to be a donor for her ill sister is quite a 'hot' story in terms of the emotions it stirs. It shows the complex relationship between the two sisters, with one having to endure so much for the other.