Talentless Nana (2020)

Earth is under attack by ferocious, extraterrestrial monsters known as the Enemies of Humanity. But fear not. A unique preparatory school situated in a secret island location is currently training a collective of superpowered teenagers called the Talented to fight back against the aliens. Among them is blissful Nana Hiiragi, a seemingly powerless, pink-haired girl equipped with ample intelligence.