Shigeo joins the Body Improvement Club to become more athletic and catch Tsubomi's eye, but he also gets waylaid by Tome, head and sole member of the Telepathy Club.
The demon Ekubo begins following Shigeo around, and a mysterious someone pits Shigeo and the Body Improvement Club against a group from another school.
The Awakening Lab is invaded, and the identity of the scarred foursome is revealed. When Ritsu is threatened, Shigeo must use his powers to defend them both. Meanwhile, Shigeo's boss gets a chance at revenge on a former coworker.
While Shigeo and Teru discover more about the criminal espers calling themselves Claw, Ritsu and the other espers escape from and hide from their captors.
The Espers and a clueless Tsuboni are tracked to the school by Claw, brainwashing two of them and forcing Shigeo to fight the Scarred and come even closer to losing control of his powers.
After the Boss of Claw is revealed, a masked figure whose power overwhelms Shigeo's arrives at the school, and Shigeo must make a choice whether to break his vow.
