I'm sorry, without reading the 'sweetness and light full novel', I don't know who the main characters are.
Well, often in such a title, 'sweetness' might refer to the pleasant aspects of life, relationships, or experiences within the story. 'Light' could imply knowledge, hope, or a positive force. So the main theme might revolve around these positive elements and how they interact in the narrative.
I'm not entirely sure as I haven't read it thoroughly, but usually there would be a protagonist, maybe a female character who is at the center of the story. There could also be a male character with whom she has a significant relationship, like a love interest or a friend who helps her in her journey.
I don't have the exact information, but it could be a young couple as it's a novel with a touch of sweetness. Maybe a girl who is kind - hearted and a boy who is a bit of a charmer.
Since I don't know the specific 'full drive light novel', I can't say for sure. But it could have a young protagonist who is on a quest to master the 'full drive' concept in the story. There might also be a mentor - like character who helps the protagonist understand and reach their full potential.
I don't know since I haven't read it. But they could be characters with complex personalities, given the title.
The following are some of the recommended long sweet novels: 1. [The Reborn Doctor's Wife's Husband's Story: Modern Romance-Love and Marriage, 5 stars for Sweet Pet.] 2. " Ancient Upper-Level Strategy ": Ancient romance-classical fictional genre. The female protagonist is reborn in ancient times, and the plot is a little funny. These novels were all long and finished, suitable for readers who liked sweet stories about rebirth.
The main characters are Sousuke Sagara and Kaname Chidori. Sousuke is a military - trained young man, and Kaname is a high school girl that Sousuke is tasked to protect.
The main characters are Sousuke Sagara and Kaname Chidori. Sousuke is a military - trained young man, and Kaname is the girl he is assigned to protect.
The main character is a young man who is on his journey to become a full - time magister.
The main character is the light princess herself. There is also likely a prince who might be involved in her story.