One of the main themes is the concept of time loops. The protagonist experiences repeating events, which adds a sense of mystery and allows for character growth over multiple iterations. Another theme could be sacrifice, as different characters make sacrifices for their goals or the greater good. Also, the exploration of power and its corrupting influence might be present, especially considering the complex nature of the world and the abilities of the characters.
Subaru is definitely one of the most interesting. He is not your typical hero. He often fails and has to rely on his wits and the knowledge he gains from each loop. Then there's Rem. She has a deep love for Subaru and her own internal struggles make her a fascinating character. Also, Betelgeuse with his cult - like behavior and his strange powers is a character that draws a lot of attention.
Yes, indeed. The Re:Zero manga exists and presents the story in a graphical format. It might have some differences from the original source, but it still captures the essence and excitement of the series.
The 're zero rem love novel' is significant as it expands on the Re:Zero world. Rem's love in the novel is a key element that drives her actions. It shows how she develops feelings for Subaru, and this relationship is a major part of the overall narrative. The novel can explore her emotions and internal struggles in a more detailed way compared to other mediums.