Yes, it does. The light novel of Made in Abyss provides more in - depth details about the story, characters, and the mysterious world of the Abyss. It expands on what is shown in the anime, giving fans a chance to further explore the lore.
Friendship is an important theme as well. Riko and Reg, for instance, form a strong bond as they adventure together. Their friendship is tested by the hardships of the abyss but also strengthened by their shared experiences and mutual reliance on each other.
The main themes include discovery. The Abyss is full of strange creatures and artifacts, and the characters are on a quest to find out more about this mysterious place. There's also the theme of sacrifice. To go deeper into the Abyss, the characters often have to make sacrifices, whether it's leaving behind their comfortable lives or risking their own safety. And of course, friendship is a big theme, as they rely on each other in this dangerous adventure.
Riko is one of the central characters. She has an adventurous spirit and is determined to reach the bottom of the Abyss. Reg, on the other hand, has unique abilities that help them in their exploration. He is a valuable ally to Riko. Another important character is Nanachi. Nanachi has a tragic past and a deep understanding of the Abyss, providing useful knowledge and assistance to the main characters.
Riko is definitely one of the most memorable characters. Her determination to reach the bottom of the abyss despite the numerous risks is quite inspiring. She is also very curious, which drives her exploration. Another memorable character is Reg. His unique abilities, like his Incinerator, make him stand out. He is also a very loyal friend to Riko.