Nice and Murasaki work as a pair of private-eye detectives using a table in Cafe Nowhere as their office. Calling themselves the Hamatora, the detective duo scramble to solve various cases that come their way on a daily basis. One day, they receive two cases at once: secure a kidnapper and guard a safe...

Yokohamabane High School students Theo and his friend, Rei, come to Hamatora. Their mentor, one of the teacheres, has gone missing, and they ask Hamatora to find him. Nice and Murasaki begin an undercover investigation at the school, but they are about to uncover Theo's secret...

Itou, the director of the Association for the Health, Protection, and Equality of Youths, comes to Hamatora. Itou asks Hamatora to investigate Facultas Academy, which existence is supposed to be classified to the general public. Meanwhile, Art pursues a lead in the Minimum Holder serial murder case involving the Association for the Health, Protection, and Equality of Youths, and encounters a certain individual...

Art summons Honey and Three from Germany in order to hunt down the one responsible for the Minimum Holder serial murders. Upon their re-entry into Japan, the briefcase with Honey's Mighty Script is swapped at the airport with a briefcase containing totem poles...

Hajime and Koneko win an overnight stay at a hot springs resort. They invite Honey and go on a girls' getaway. Left behind, the Hamatora duo and the handyman pair each takes on a new job...

Chiyuu, an illustrator and a friend to Birthday and Ratio since high school days, has been kidnapped. Nashihira, Chiyuu's manager, asked Birthday and Ratio to solve the case. Based on his assertion that Chiyuu knew the kidnapper, the duo visit Misty, Chiyuu's friend...

An unknown suspect has stolen a top secret preserved Minimum specimen--a head--from a prison for Minimum Holders. How could it have happened when only police associates with prior authorization could enter? Art refuses Nice's help and continues the investigation, alone...

Hiiragi Shuuji, a ministry of health, labour, and welfare worker, asks the Hamatora to bring in a man manufacturing Ideal in Okinawa. Nice and Murasaki resume going undercover in Yokohamabane High School and go to Okinawa, where they are dragged into a rivalry between the school and a local high school...

Nice shows up at the police station with presents from Okinawa, but is told that Art is too busy to see him. Meanwhile, Honey and Three are told by Art to go on standby because the team on the Minimum Holder Serial Murder case is being reorganized. Just then, a job comes in for the Hamatora, and it concerns Three...

Non-innate Minimum Holders are suddenly running rampant. As Yokohama descends into chaos, the public becomes aware of the Minimum's existence. Then the Outsider, Takahiro, gets out of prison and shows up before the Hamatora, asking them to find a way for him to go back to what he looked like before...

Now that Moral has been finally located, Nice learns the truth from Moral in Nowhere. Meanwhile, Murasaki's coaching of Hajime and Takahiro's weight loss regimen is interrupted by a belligerent group of non-innate Minimum Holders. Seeing Murasaki in action, Takahiro finds himself wanting inner strength...

Yokohama city has been plunged into chaos by Minimum Holders and people wanting Minimum powers. Nice and Murasaki confront Moral, the source of it all. Meanwhile, inspired by Takahiro's bravery, Honey, Three, Ratio, and Birthday move to defend Yokohama.

Three months have passed since the Yokohama Latent Minimum Holder Riots. Murasaki has teamed up with Hajime and resumed doing private-eye work. Tasked with tracking down a stalker, the new Hamatora meets Hikaru, the Light Speed Minimum Holder.

Ratio has been looking for Chiyuu, who vanished from a hospital. Ratio and Birthday track her down to a club based on Mao's information. There, they meet a group of Minimum Holders called Freemum, led by a man named Ishigami.

Art is rounding up Minimum abilities around Yokohama. Minimum Holders robbed of their abilities by Art have all undergone a strange personality change. Meanwhile, the Yokohama Police has arranged a prison transport for the Crazed Minimum Holder, Samura...

Shocked that she now undergoes a regression right after using her Minimum Ability, Honey leaves Cafe Nowhere. She receives a bodyguard request for the Minimum Agency's medical consultant, Doktor, who is a vocal proponent of stray Minimum Holder surveillance and also Honey's father.

As Nice and Murasaki give chase to Honey's abductors, Art appears. The duo try to take Art on, but they experience ill effects when they activate their Minimum abilities. Art succeeds in making his escape, as well as his real goal: to make contact with the kidnappers.

Nice and Murasaki learn from Mao that Gasuke was investigating an individual named Saikyou prior to his death. They also learn by watching a footage accidentally recorded by a taxi's dashboard cam that the group who attacked the police station were the Freemums.

The Cafe Nowhere group has come to visit Murasaki after he'd been critically injured. Their efforts to help Murasaki all backfire, but Murasaki nonetheless appreciates their attempts. Meanwhile, Art begins to plan his next move with Ishigami's Freemum members...

Hajime learns from Momoka that the side effects suffered by the Minimum Holders around her were caused by Hajime's own ability. Taken by Momoka to Moral's abandoned research facility, Hajime remembers her past...

Honey declares to the Nowhere crew that they will all participate in a play for a festival hosted by their local shopping district. As the crew engage in rehearsals, the Freemum continues their expansion by recruiting more stray Minimum Holders...

Birthday has been hospitalized due to a relapse. Just then, Chiyuu returns to them from the Freemums in a deranged state, along with information about a Healing Minimum Holder who might be able to cure Birthday...

As the Freemums expand, almost all the Minimum Holders in Japan have gathered in Yokohama. They request that Yokohama become a special district for Minimum Holders and threaten the government with their abilities. Meanwhile, Nice and Murasaki learn about Boss and Koneko's shared past with Hajime.

What happened to Nice, Art, and Skill during their childhood in Facultas? What will happen to all those who have lost their Minimum? What is Ego?