The year is 20XX. Nanao, an outcast with a paranormal talent, lives on a remote island training with others like him to fight against the enemies of humanity. Nana, a bubbly transfer student, befriends him and encourages him to become their leader...

Nana befriends Kyoya, the other transfer student at the school, in an attempt to discover his talent before he finds out what really happened to Nanao.

Tsunekichi weaponizes his power to see Nana's future wrongdoings to blackmail her into being his girlfriend. Nana thinks she might be able to defy fate, but another sharp twist in the road is waiting for her.

Nana is in the most dangerous position ever since she set foot on the island. Her only chance of escape is discovering Yuka's weakness before the powers of necromancy kill her.

Kyoya seems to be temporarily out of Nana's hair. But a betrayal by one classmate and the revelation of a new Talented on the island quickly turn the tables on her. What happened on the island before Nana was sent there?

For the first time, Nana and Kyoya work together to try to solve the most recent murder. But Nana has her own mystery to worry about when Michiru starts acting noticeably strange.

Kyoya wants Nana to help him unmask the killer. A part of Nana wants to let the killer do her work for her, but when Michiru gets a mysterious summons, Nana has to choose between her mission and Michiru.