It's great that Mob joined the Body Improvement Club, but he suddenly faints as he's running along the riverside. His wish is to get stronger and to be able to get closer to his beloved Tsubomi-chan. One day, as Mob is feeling troubled, a woman with a strange mask approaches him... Progress toward Mob's explosion: 20%.

Salt Middle School undergoes deep cleaning lead by the student council president, and one thug after another gets targeted. Meanwhile, the story about Mob defeating the shadow leader at Black Vinegar Middle School starts to get embellished and takes on a life of it's own, and Mob gets to be known as "White T Poison." All of the gang leaders from the other schools start to gather at Salt Middle School to confront White T Poison. Also, Ritsu awakens to his dormant psychic powers, and Dimple manages to convince Ritsu to pair with him to become stronger than his brother. Ritsu finally gets to experience those powers for himself.

Ritsu and the others get abducted by a mysterious man named Koyama, and get taken to the secret organization Claw's 7th Division. Claw is an organization who is trying to lead the world to a better future by taking it over. One of Claw's assassins, Terada goes after Mob and Teru, but they overpower him and get him to tell them secrets about the organization. In order to save Ritsu, Mob heads to the 7th Division but encounters another member of Claw.

After splitting up with Mob, Reigen starts doing a lot of the jobs on his own. He then gets an offer to appear on a TV program. Reigen is ecstatic and accepts the offer, but this was all a trap set by Jodo Kirin, the president of the Rising Sun Spiritual Union. Jodo corners him during the live filming of the show and the fact that Reigen is a fraud comes to light. Reigen gets bashed from all sides and ends up having to hold a press conference...

Mob heads into the Divine Tree, only to have to face off with Teru. Mob finds himself speechless, having to confront even Teru who has been completely brainwashed by Psycho Helmet.

After winter break is over, Mob is hit with shocking news. Tsubomi is actually going to transfer within the next month.