Maybe he has a dark secret. For example, he might be involved in some illegal activities that are yet to be discovered. This would be a big obstacle to their marriage.
If he asks Hinata, she would probably be overjoyed. She has always been in love with Naruto, so her answer would most likely be an immediate 'yes' with tears of happiness in her eyes.
This is a really interesting and dark fanfiction concept. In the Harry Potter universe, Draco and Ginny are from different houses and have different loyalties. If Draco were to kidnap Ginny to marry her, it would go against her will and the values of the wizarding world. However, it could make for a very intense and dramatic story, exploring themes of power, love, and coercion.
One reason could be for power. Combining their strengths through marriage could make them an even more formidable force. Maybe Sasuke saw it as a strategic move to protect their village or to face some greater threat that they are not aware of yet.
It is my honor to recommend a novel to you," You are the kite, I am the string." The heroine of this book also had a pair of twin daughters. The difference was that her daughters did not marry their mother's pursuers. Instead, after solving the family mystery and experiencing the ups and downs of love, they gained their true love.
Sure. 'A New Beginning' is a great one. It explores their relationship in a post - war setting. The author does a wonderful job of delving into Kakashi's complex feelings towards Rin.
One great source could be fanfiction.net. There are often a variety of stories about different characters, including Manji and Rin. You can search by the characters' names and then look through the summaries to find ones that seem interesting. Some might be action - packed adventures that follow their journey in the original story's world, while others could be more character - study - like, exploring their relationship in depth.
I'm not sure about specific 'naruto x rin' fanfiction. But you can start by looking on popular fanfiction websites like FanFiction.net or Archive of Our Own. Just search for 'naruto x rin' in their search bars and you'll likely find a variety of stories related to this pairing.