I think 'The Dark Betrayal' might be one. In this novel, the hero's motives change and he ends up betraying the MC for personal gain.
Maybe 'Twisted Loyalties' is what you're looking for. In it, the hero's beliefs shift, causing them to betray the MC in a complex web of events and hidden agendas.
The MC usually goes through a whole new world with unique challenges and opportunities. They might have to adapt to a different body or social status.
In Chinese light novels, 'MC' commonly means 'Main Character'. This is a very important concept in literature in general. In Chinese light novels specifically, the MC is the person that the readers get to know the best. The story is told from their perspective, either directly or indirectly. Their personality traits, goals, and relationships with other characters are often the focus of the story. Different types of MCs can create very different reading experiences. For instance, a heroic MC might lead to an exciting and action - packed story, while a more introverted MC could result in a more thought - provoking and character - study - like story.
Another aspect is prior knowledge or experience. In some light novels, the MC is reincarnated or transferred from another world. Like in 'Konosuba', Kazuma has knowledge from his previous life which he uses to his advantage in the new world, and this knowledge combined with his unique skills makes him overpowered in certain situations.
Well, the adventures are diverse. She might get involved in stealth operations, rescue missions, and even have to navigate complex political landscapes. There's never a dull moment for her as a mercenary!
Well, a 'demon mc light novel' could involve a story where the demon main character has some kind of special power or ability. It might be set in a fantasy world filled with other magical creatures. Maybe the demon is on a quest to gain more power, or it could be trying to overcome some prejudice from other races in that fictional world. There could also be elements of mystery and intrigue as the demon uncovers secrets about its own past or the world around it.
I'm not sure specifically as there could be many different 'mc as robot' light novels. It might be about a main character (mc) who is transformed into a robot and then experiences various adventures, like dealing with a new robotic form, interacting with other characters in a world where robots are perhaps not the norm, or facing challenges related to the new identity.
A 'skeleton mc light novel' could have a very interesting premise. The skeleton MC might be in a world full of magic and different races. It could be on a quest for power, knowledge, or revenge. For example, it might have been wronged in its past life and now, as a skeleton, it has the chance to seek justice. It may also interact with other characters, some of whom might be afraid of it because of its appearance, while others might see its potential and join forces with it.
I'm not entirely sure as there could be many different 'shameless mc' light novels. Generally, it might be about a main character (MC) who is shameless in some way, perhaps in their actions, decisions or interactions. It could involve the MC being bold, not adhering to normal social norms of propriety in a fictional world created in the light novel.
I'm not sure specifically as there could be many 'smart mc' (smart main character) light novels. It might be about a protagonist with high intelligence who uses their wits to overcome various challenges in a fictional world, like solving mysteries or outsmarting enemies in a fantasy or sci - fi setting.
I'm not sure specifically as there could be many different stories with that title. It might be about the rebirth of a main character (MC) in a fictional world, perhaps with new powers or a second chance to change their fate.