Yes. Their kiss is a big deal in the light novel. It shows how far their relationship has come from when they first met. It's not just a random act but a culmination of all the adventures they've had together, the trust they've built, and the feelings that have developed between them over time.
The plot generally revolves around Naofumi, who is summoned to a parallel world as one of the Four Cardinal Heroes. Raphtalia becomes his important companion. They face various challenges together, such as battles against powerful monsters and dealing with political intrigue in the new world.
Redemption can be a theme too. Naofumi has been through a lot of hardships and is often seen as an outcast in the original story. In fanfiction, his relationship with Raphtalia can be part of his journey towards redemption, with Raphtalia being a source of support. Also, there are fanfictions that focus on the power - up of both characters. As they face challenges, they gain new abilities and skills, and their relationship is strengthened through these experiences.
Character growth is another key feature. Naofumi may become more confident and less jaded, while Raphtalia could become more independent yet still devoted to Naofumi. In many popular fanfics, their individual character arcs are intertwined with their relationship, making the story more engaging and complex.
No, it is not appropriate. 'Naofumi and Raphtalia' are characters from a story, and creating sexual fanfiction about them goes against ethical and moral standards. It can also be disrespectful to the original work and its fans who may not want to see the characters in such inappropriate scenarios.
One great Raphtalia x Naofumi fanfic is 'The Bond Beyond Worlds'. It beautifully explores their relationship as they face new challenges together in a world different from their original one. The author does a wonderful job of developing their characters further and deepening their bond.
It's not a straightforward yes or no. Raphtalia and Naofumi's depictions in the anime have elements from the manga, but they also have their own unique tweaks and additions to enhance the viewing experience for anime-only viewers.