If we consider light novels in general, themes like friendship, love, and power struggle are common. So in 'immortal invisible light novel', there could be a theme of friendship between an immortal and a mortal, or a power struggle between those who are invisible and those who are not. Love could also play a part, perhaps a love story between characters where one has the immortality or invisibility factor and how that affects their relationship.
One possible theme could be isolation. Just like in other 'invisible man' stories, the character might feel isolated from society due to his invisibility.
Themes in 'naruto invisible fanfic' could vary widely. There might be a theme of power and its misuse. For instance, if a villain gets hold of the power of invisibility, they could cause chaos. Also, a theme of self - discovery could be present. A character who suddenly becomes invisible might learn more about themselves in the process of dealing with this new ability. It could also explore the theme of trust, as other characters may not know who to trust when someone has the power of invisibility.
One possible theme could be power and its consequences. Since the hero can replicate talents, he has a great deal of power, and the story might explore how he uses or misuses it.
One of the main themes is identity. The protagonist struggles to define himself in a society that often tries to define him based on race and other factors. Another theme is invisibility, not just in the literal sense but also the feeling of being overlooked and unheard in society.
I'm not sure specifically as there could be many interpretations. It might be a novel that has elements related to invisible light in a very metaphorical or science - fictional way. For example, it could involve characters with abilities related to invisible light, like seeing in the infrared or ultraviolet spectrum.
One of the main themes is the struggle for peace. The story shows the complex situation of war and how different characters strive to end the hostilities. For example, Sousuke Sagara is constantly in the middle of battles, trying to protect those he cares about while also working towards a more stable world.
Well, if 'immortal invisible light novel' has some mystery elements in it, then light novels such as 'Another' could be somewhat related. 'Another' is full of mystery and a bit of horror, which might share some common ground with the one you mentioned depending on its content. However, without knowing more about 'immortal invisible light novel', it's hard to be more precise.
The main themes in the 'Invisible Man' novel are many. There's the theme of invisibility not just as a physical state but also a social one. He is invisible to society in the sense that people don't really see him as a person. Social inequality is a theme too. His situation highlights how society treats those who are different. And the theme of the search for meaning. He tries to find purpose in his new, strange existence.
One of the main themes is race. The protagonist, as an African - American, faces numerous racial prejudices and discrimination which shapes his experiences throughout the novel. Another theme is identity. His invisibility not only refers to the physical state but also his struggle to find his place in society and define who he really is.
Power and its abuse is another theme. With the power of invisibility, the protagonist starts to engage in actions that can be seen as abusing that power. He uses it for personal gain and to manipulate situations, which shows how power can corrupt an individual.