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%.

After defeating all of the gang leaders from the surrounding schools, Ritsu feels omnipotent. And then, he's confronted by none other than his older brother, Mob. Mob knew that Ritsu had wanted psychic powers for a while, so he congratulates him. However Ritsu doesn't greet his brother with kindness. Meanwhile, a mysterious man watches the brothers from a distance. He easily manages to grab Ritsu, and tries to drag him off. Mob activates his powers in order to save his brother.

Mob is finally pushed to his limit when he has to face Sakurai, Muraki, Matsuo and Ishiguro of the upper echelon. But then, he comes to a rather surprising decision...

Reigen received a phone call at his office, the Spirits and Such Consultation Office. The client asked him to find out what the black shadow that kept destroying his fields actually was. Meanwhile, back at Salt Middle School, Kamuro announces that he's going to resign from the position of student council president. Elections to decide a new student council president are going to be held and Mezato convinces Mob to run as a candidate, but...

Mob gets trapped inside a parallel world created by Mogami Keiji. Minori ends up transferring to his class, and Mob becomes the target of bullying. He can't ask anyone for help, and his negative emotions start to build inside. The truth behind the tragedy that Mogami went through when he was alive comes to light. Meanwhile, Reigen and the others were waiting for Mob to regain consciousness back at the Asagiri mansion. Dimple attempts to save Mob by infiltrating Minori's body.

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...

The boss of the Claw, Suzuki Toichiro barricades himself into Seasoning City Culture Tower after declaring war on the world. After instantly getting rid of the police barriers, they make their next move. Meanwhile, back at the hideout, Reigen and the others were making their move, as well. The former members of the 7th Division and the Awakening Lab head to the tower under Reigen's instruction. Sho and Ritsu also make their move to stop Suzuki's plans.

The Cultural Tower floats above Seasoning City. The final battle between Mob and Suzuki was about to begin. Mob is almost overwhelmed by the fact that he's able to completely release his powers, but then, he sees his younger brother, Ritsu. Mob regains his composure and he faces off with Suzuki, but Suzuki's power is too great. Mob finally gives up on trying to talk things out and puts everything he has into this battle. Who will be the victor?

A giant broccoli known as the Divine Tree grows in the middle of the city and looks down upon Seasoning City. It's time to fill out surveys about career paths at Salt Middle School and the students are filled with various feelings. While they all talk about their hopes and dreams, Mob can't seem to think of anything himself.

After Psycho Helmet's appearance, tree roots start emerging all around the city. Sensing danger, Mob goes with Reigen and Ritsu to destroy the Divine Tree, but eventually, they are overwhelmed by the members of the Psycho Helmet Religion.

The group somehow finally makes it to the summit of Mt. Mudboat. Takenaka had been up all night reading all the texts about UFOs and the Telepathy Club comes together to send a telepathic message into space, but there is no UFO in sight.

Mob tries to save a child that is about to be run over by a car and is run over himself. People start to gather but Mob stays silent.

Mob continues down his path of destruction. Amongst all of the destruction and chaos, Reigen finally reaches Mob with the help of Serizawa, and he desperately tries to talk to him.