Perhaps the ANBU has a personal vendetta against someone in Konoha who is too powerful to take on while remaining in the village. Leaving Konoha gives them the freedom to train and gather allies to come back and face their enemy. They might leave secretly, under the guise of a mission, and start building their strength in the outside world, all while Konoha is left in the dark about their true intentions.
It could be Kakashi. He has a complex past and has been part of the ANBU. Given his experiences, he might have a reason to leave Konoha. Maybe he discovers something about the Sharingan or the Uchiha massacre that makes him question the village's integrity. He's a popular and well - developed character, so a story about him leaving as an ANBU would be interesting.
One possible plot could be that Naruto leaves Konoha due to some misunderstanding. Tenten, being a friend, decides to go after him to bring him back. Along the way, they face various challenges together, which makes them grow closer and understand each other better. Maybe they encounter a group of rogue ninjas who are after Naruto's power. Tenten uses her weapon skills to protect Naruto, and Naruto starts to see Tenten in a new light.
Tenten could develop a stronger sense of loyalty and friendship. When she decides to go after Naruto, she is putting her loyalty to him above the rules of Konoha at that moment. This journey could make her more empathetic towards others' situations and more determined to stand by her friends no matter what. For example, she might face opposition from some in Konoha for leaving to find Naruto, but she stands firm in her decision, which shows her growth in loyalty.
Naruto might be really confused at first. He's used to people being friendly or having normal crushes, but a yandere is a whole different level. He'd probably try to talk to her and understand why she's acting so strangely.
Their relationship could start with mutual respect. Naruto respects Tenten's dedication to her weapon - based ninjutsu, and Tenten respects Naruto's strength and determination. They might start training together more often, which would lead to them spending a lot of time together. This time together would allow them to open up to each other about their pasts, their fears, and their hopes for the future. As they grow closer, they would start to develop feelings for each other, and these feelings would eventually lead to their marriage.
Maybe Rock Lee could be an important character. He could come to the orphanage to help with the physical training of the orphans. He would be a great inspiration for them with his hard - working attitude. Also, Neji could be involved. He could use his Byakugan to keep an eye on the orphanage and make sure there are no threats approaching.
In this fanfiction scenario, Naruto giving Tenten a sword could be a really interesting plot point. Maybe Naruto found a special sword during one of his adventures and thought Tenten, being a weapons expert, would appreciate it. It could lead to Tenten developing new fighting techniques with the sword, and perhaps she would use it in future battles against powerful enemies.
Yes, there might be. The Naruto fandom is vast and has fanfictions on all kinds of pairings. Some fans like to explore unusual pairings like Naruto and Tenten in a romantic context. However, the popularity of such a pairing might not be as high as some of the more mainstream ones in the Naruto fanfiction world.
Naruto is known for his determination and his big heart. In an arranged marriage with Tenten, his positive energy could inspire her. Tenten, being a hard - working and disciplined kunoichi, could teach Naruto more about focus and strategy. Naruto's boisterousness might at first annoy Tenten, but over time she would come to appreciate his enthusiasm. Tenten's calmness would also be a soothing influence on Naruto when he gets over - excited or frustrated. They would balance each other out, with Naruto bringing the fun and Tenten bringing the stability.