You might find light novels where the MC is a parent trying to pass on valuable life lessons to their kids in a dystopian setting.
Well, there are many. One example could be a light novel where the MC is a single parent struggling to balance raising a child and dealing with supernatural adventures.
Occasionally, in light novels with unconventional structures, the MC being a side character can be used to subvert expectations. Like in a story where the 'side character' actually drives the main plot forward in unexpected ways.
There are many. One example could be 'The Underdog's Journey' where the MC faces constant bullying but overcomes it through inner strength and determination.
There are many. Like a sci-fi one where the MC's unique abilities are misunderstood or undervalued until a major crisis forces everyone to recognize their potential.
There are many. One example could be 'Divine Ascension' where the MC gains god-like powers and uses them to protect the world.
It might be a historical light novel where the MC invents something revolutionary for that era, like a new farming tool or a method of transportation. Or it could be in a dystopian setting where the invention is a key to survival.
I'd recommend 'Reign of the Dragon'. Here, the MC is a dragon trying to protect its territory and uncover ancient secrets while dealing with various enemies.
There are quite a few. One example could be 'Obsession's Edge' where the MC's yandere tendencies drive the intense plot.
You might like 'Supreme Legacy'. Here, the main character is OP due to a special inheritance or a hidden power that emerges, making them nearly unbeatable.
There are quite a few. One example could be 'The Skeletal Chronicles' where the MC is a powerful skeleton navigating a magical world.
You might want to check out 'Insane Journeys'. In this light novel, the main character's insanity makes for a unique and captivating narrative. It shows how they navigate through challenges and how their mental state influences their decisions and relationships.