Dagasy: Houkago Chounouryoku Sensou

Ooba Asa wakes up with the ability to become invisible. He discovers that other students are also developing superpowers, while his younger sister, Amime, is losing hers. It appears the student council president is distributing these powers, taking them from Amime. To confront this situation, Asa teams up with Amime and Daimon Yaki, a girl with a strong grudge, forming a tenuous alliance aimed at confronting the enigmatic student council president.