Munou na Nana Mini Anime - Information

The animation "Munou na Nana" is an adaptation of the manga of the same name, written by Looseboy and illustrated by Iori Furuya. The story follows the protagonist Nana Hiiragi, a student with psychic powers who is sent to a remote island to train her abilities and exterminate dangerous creatures known as "Enemies of Humanity".
Attention: Spoilers below!
However, the truth is that the organization that sent Nana to the island hides several pieces of information from her, including the fact that the Enemies of Humanity are being manipulated and that other students with powers are being killed by Nana under false accusations. As the plot unfolds, we discover that Nana is actually a manipulative psychopath who is being used to eliminate potential threats to the organization.
At the end of the manga, Nana manages to kill most of the students with powers on the island, including Kyoya Onodera, the only one who was suspicious of her. However, Kyoya reveals that he had suspected Nana from the beginning and manages to hand her over to the organization, revealing her true nature. The manga ends with Nana being imprisoned and questioning her own humanity.
Therefore, both in the manga and in the animation, the ending is considered closed, with the story being concluded with Nana's arrest and the revelation of her crimes.