The theme of legacy is quite common. Since Jiraiya is a great ninja, many fanfics show Naruto trying to uphold and continue Jiraiya's legacy. Also, the theme of friendship and family - even though they are not related by blood, they have a deep bond like family, and their friendship is a strong element in these fanfics. For example, in some fanfics, Naruto's determination to avenge Jiraiya when he passes away is a clear sign of their deep connection.
Growth is a big theme as well. Naruto's growth as a shinobi was greatly influenced by Jiraiya. Fanfics show how Naruto overcomes challenges with the help of what he learned from Jiraiya. They also explore how Naruto becomes a stronger and more mature person, not just in terms of combat skills but also in his understanding of the world and his place in it. This growth is often intertwined with the memories and influence of Jiraiya.
A common theme is mentorship. Jiraiya is Naruto's teacher, and many fanfictions explore how Jiraiya's teachings shape Naruto. Another theme is legacy. Jiraiya leaves behind a great deal, and Naruto is often shown carrying on that legacy in these stories.
The theme of friendship and mentorship is also quite common. Jiraiya is like a father figure to Naruto. Fanfictions often explore how this relationship impacts both of them, like when Naruto is facing difficulties and Jiraiya is there to offer advice and support.
One common theme is unrequited love. Given their complex relationship in the original series, many fanfics play with the idea that one of them has feelings that the other may not be fully aware of.
One common theme is redemption. Given Orochimaru's dark past, many fanfics explore the idea of him finding redemption through his relationship with Jiraiya. Another theme is the exploration of their shared history. Since they were once comrades, fanfics often dig into how that history affects their present interactions.
Common themes might involve the development of the relationship between Jiraiya and Sakura. It could be about how they support each other through difficult times, or perhaps the discovery of new abilities or aspects of themselves through their connection. There might also be themes of loyalty and the challenges they face together in the fictional world they inhabit.
One common theme is mentorship. Jiraiya was Naruto's mentor, so many fanfictions explore how his teachings shaped Naruto's growth as a ninja. For example, Naruto might use a specific jutsu Jiraiya taught him in a unique way to overcome an enemy.
A common theme is adventure. Since Jiraiya is known for his travels, the OC often joins him on his adventures, like exploring new lands or uncovering ancient secrets. Another theme is the discovery of self - worth. The OC might start off feeling unimportant but through their relationship with Jiraiya, they find their place in the world.
A common theme is mentorship. Jiraiya often takes on the role of mentor to fem Naruto, guiding her in her ninja skills and personal growth. Another theme is the exploration of gender differences. Since Naruto is female in these fics, it often shows how her femininity affects her relationship with Jiraiya and her journey as a ninja. For example, she might face different challenges or be treated differently by others in the ninja world.
One common theme is mentorship. Jiraiya acts as a mentor to Naruto, guiding him not just in ninjutsu but also in life. Another theme is emotional healing. Naruto often has a lot of emotional baggage, and Jiraiya helps him work through it.