Nana Hiiragi
About
She has the ability to read people's minds.
Her mind reading ability is a lie and she's talentless. She's using deductions to fake her ability. She has been sent to the island in order to dispose of the talented.
It is later revealed Tsuruoka killed her parents, meaning she had been manipulated into killing the talenteds.
She's decided to save the talenteds.
