Who could be a great antagonist in an 'Alice in Borderland fanfic'?

Yes, Alice in Borderland is originally a manga.

I think it's a mystery that's not revealed until later in the manga. You'll have to keep reading to find out!

The Caterpillar could be the main antagonist. He has always been a bit of an enigma in Wonderland. Maybe as Alice shrinks, he sees her as a threat to his control over the small part of Wonderland he rules and tries to stop her from exploring further.

A jealous student could be the main antagonist. This student might have a crush on Alice and see Bella as a threat to their relationship. They could start spreading rumors about Bella, trying to make her look bad in front of Alice and the other students.

The Alice in Borderland manga has indeed finished. It provided a conclusive ending to the adventure-filled storyline that fans have been following.

Yes, it's quite popular. It has a dedicated fan base and has gained a lot of attention for its unique storyline and characters.

Yes, it is. Alice in Borderland originated from a manga series.

Overall, Alice in Borderland is reasonably faithful to the manga. Some minor details might differ for the sake of the adaptation, but the core story remains intact. There are no major deviations that would change the essence of the original manga.

Yeah, it's great! The story is engaging and the art is amazing.

Yes, it is. The story has reached its conclusion in the manga format.