In a 'naruto x renamon fanfiction', there could be a prophecy that only the combination of the power of the Nine - Tailed Fox within Naruto and Renamon's true form power can defeat an ancient evil that is about to awaken in both their worlds. They have to overcome cultural differences and language barriers at first, but as they get to know each other better, they develop a deep friendship and work towards fulfilling the prophecy.
One interesting plot could be that in the Naruto universe, there are rumors of a powerful being with fox - like features, much like Renamon. Naruto, being part - fox himself, is intrigued and sets out to find this being. When they meet, Renamon initially sees Naruto as a threat but later realizes they have more in common. They then form an alliance to face a new threat that emerges, which is a group of rogue ninjas who want to capture Renamon for her unique powers.
The OC could be a researcher studying digimon behavior. Renamon becomes the subject of the study. At first, Renamon is very guarded around the OC. However, as the OC shows genuine respect for Renamon and her kind, Renamon begins to open up. They then embark on a journey to discover more about the history of digimon, with their relationship growing stronger along the way.
The most interesting element is the crossover concept itself. Naruto's world of ninjas with its unique jutsus and Renamon's world of Digimon with their special powers make for a really cool combination. It allows for creative battles and new power - up scenarios.
There might be a Renamon fanfiction that focuses on her origin story. It could explore how she came to be in the digital realm, her early experiences, and how she developed her skills. This type of story would give readers a deeper understanding of her character.
A more character - driven idea would be that Naruto and Yato meet and learn from each other's outlooks on life. Naruto, who has always fought for his friends and village, could teach Yato about the importance of having a strong community. Yato, who has a very different view of the afterlife and the divine, could show Naruto a whole new perspective on existence.
One interesting idea could be Orochimaru seeing Naruto as a unique specimen and instead of just trying to use him, he actually starts to respect Naruto's willpower. This could lead to a strange mentorship of sorts where Orochimaru teaches Naruto some of his more unorthodox jutsu in exchange for Naruto trying to help Orochimaru find a new path that doesn't involve so much darkness.
One idea could be a story where Naruto and Tsume go on a mission together in an unknown territory. They face various challenges and have to rely on each other's skills. Naruto's optimism might contrast with Tsume's more serious nature, creating an interesting dynamic.
Another idea is that Bayonetta somehow ends up in the Naruto universe. She might be mistaken for a powerful ninja at first. Then she could start teaching some of the ninja new combat techniques inspired by her own moves, while also learning about chakra and how it differs from her own power source.
Well, a cool concept could be that Naruto discovers Sarada has a unique power that is similar to his own but also very different. He then decides to mentor her privately, and during this process, they form a strong bond that is not just about master - student but also a deep friendship. They could also face some challenges from the village elders who are skeptical about their relationship.
One idea could be Naruto being summoned into the world of FF14. He might initially be confused but quickly adapt his ninja skills to the new environment. For example, his ability to use chakra could be translated into a unique form of magic in FF14.