Omoikkiri Detective Team Hardgumi

The third term has begun, and a new homeroom teacher has been appointed to class 5 and 3 at Takehaya Elementary School. His name is Toshihiko Ochiai....

The monster Matenro, who was supposed to be a fictitious entity, actually appears and steals Hiroshi's precious computer. Matenro challenges Hiroshi t...

Hiroshi and the five of them form the detective team "Hadogumi" to take on Matenro's challenge. However, as they are elementary school students, they...

Hiroshi and his friends suspect that Matenro's true identity is Ochiai Sensei, and begin investigating Ochiai's background. However, Ochiai is a compl...

Susumu is about to jump off the roof of a building!? Hiroshi and his friends run to the school, worried that she intends to commit suicide. But Susumu...

Today is Hiroshi's classmate Kananari Senkichi's birthday. The five members of the Hadogumi attend a big birthday party held at Senkichi's house, but...

Susumu witnessed a housewife, a regular customer of her parents' greengrocer, shoplifting from the store. Susumu tells his father about this, but his...

Satoru suddenly began to wonder how many suckers there were on the octopus' legs. Then Matenro appears and provokes Satoru, saying, "You don't even kn...

On the way home from school, Yasuko stopped by the botanical garden with Mr. Ochiai. However, Yasuko is disappointed by Ochiai's lack of delicacy. In...

A videotape was delivered to Hiroshi by Matenro. When they immediately play the tape at the Hadogumi's hideout, they see that it is a criminal notice...

Hiroshi, Yasuko, and Susumu, who found the "path to the future," disappear. Maybe he was kidnapped by Matenro... While Mr. Ochiai and the three parent...

The world of 2007 A.D. ruled by Matenro, where Matenro turns weak humans into robots and feeds only the strong, or chosen ones. Hiroshi and the three...

Today, Satoru is on duty to take care of the weapons of the Hadogumi. I had just witnessed Mr. Ochiai making a phone call somewhere, so out of a sense...

A burglar broke into Senkichi's house. Fortunately, Chikichi was not injured, but Mr. Ochiai takes this incident as a lesson and tells the students, "...

Yasuko sees a magic show by Ten-O, a world-renowned magician, and becomes inspired to become a magician. At the school newspaper's editorial meeting t...

Hiroshi, who has been playing games at home, realizes that he forgot his homework at school. Hiroshi's father also scolds him, so he goes to pick up h...

At Yasuko's suggestion, the members of the Hadogumi decide to go cycling. One of the goals is to deepen the friendship among the team. The other was t...

Hiroshi was popular with the girls at school. The reason for this, according to Hiroshi himself, is that his "transparent kindness" is effective. In o...

A series of kidnappings of elementary school students occur. Mr. Ochiai lectures his students on the despicable crime of kidnapping and the mental att...

The Hadogumi group is in danger due to the mysterious kidnapping group, the Darkness Clan. The Dark Clan's goal was to find a boy with the perfect tal...

The training camp for the Hadogumi has begun. However, on the morning of the second day, Susumu collapses. Surprisingly, Susumu can't sleep unless he...

Inspector Karikiri and Takeo's father, Shoichiro, were childhood friends. The two meet again for the first time in a long time, hit it off, and have a...

Takeo is obsessed with bird watching. He was flapping in the early summer sky, staring at the birds with sparkling eyes. However, there was a group th...

Because Satoru's mother is not feeling well, the restaurant run by Satoru's father has to temporarily close, even though it is Sunday. So, Hiroshi and...

In order to capture Matenro, the special training of the Hadogumi continues. However, Yasuko's special training menu was difficult for Hiroshi and his...

Susumu encounters a flying saucer on her way to the Hakuan's hideout. However, none of his friends believe Susumu's story. Susumu is disappointed, but...

Yasuko receives a call from her classmate Kurumi that her life is being targeted, and goes to the mansion where Kurumi lives with Hiroshi. Kurumi was...

Susumu's desire to become a ninja escalates day by day. As Susumu continues his solitary training, Iga-ryu ninja Madara no Hanzo appears. Susumu immed...

Summer vacation has arrived. Takeo and Satoru have a disagreement over where the things that Matenro stole are hidden, and they end up fighting. Frust...

Hadogumi continues training to capture Matenro. However, in the middle of the training, the real Matenro appears. Everyone chased after Matenro, but H...

Mr. Ochiai brags to Hiroshi and his friends about his old "kidameshi." Frustrated, the five members of the Hadogumi decided to surprise Ochiai by plan...

Crimes in which young women were slashed in the face were occurring one after another. Ochiai-sensei talks to the members of the Hadogumi about the sp...

The members of the Hadogumi went camping during their summer vacation. Hiroshi and his friends look back on the days of their battle with Matenro. If...

The second semester has begun. However, Hiroshi and Susumu had not finished their summer homework. So Ochiai-sensei orders him to stay up all night to...

A man appears in Hiroshi's neighborhood who drinks nothing but water from morning until night. So, Hiroshi and his friends throw stones at the man's h...

Today is an outdoor class. Usually I do a lot of sketching, but at Mr. Ochiai's suggestion, I decided to do a special "treasure hunt". As a member of...

While jogging in the morning, Satoru happened to see an old gentleman who appeared to be Matenro in disguise. Satoru tails the old gentleman. Unfortun...

Susumu falls in love at first sight with a beautiful girl he bumps into in the school hallway. Knowing this, Hiroshi and his friends rely on the ballp...

A Western-Chinese priest of Chikurin-ji Temple was appointed as the head priest of the head temple. Hiroshi and his friends immediately congratulate t...

Inspector Karikiri was summoned by the Superintendent General. Just when he thought his hard work had been recognized and he was finally getting a pro...

Today is payday for Hiroshi's mother, Hiroko, who works part-time. Hiroko stops by her department store and witnesses the moment of Matenro's crime, a...

Hiroshi became Matenro's servant in order to save his mother, Hiroko. When Hiroshi hears from Matenro that his purpose is to create a kingdom for chil...

A family restaurant opens near the restaurant "Bonbon" run by Satoru's father. Since then, the number of customers has gradually decreased from Bon Bo...

Hiroshi and Yasuko are still good friends. However, Susumu, Satoru, and Takeo also thought about Yasuko in their hearts. Takeo worries that he can't b...

One night, Hiroshi went to deliver a letter that had arrived at his house by mistake to the correct address. Then, by chance, he discovers Matenro at...

Susumu can't hide his dissatisfaction when his parents force him to take care of a greengrocer. He announces to Ochiai Sensei, who has just visited hi...

Takeo has been acting strange lately. He doesn't even try to participate in the activities of the Hadogumi, although he does tell his mother that he's...

In an unusual move, Satoru summoned the members of the Hadogumi. The reason was that a woman's screams were recorded on the shoe-on-cer. According to...

The closing ceremony of the second semester came early. Mr. Ochiai uses the example of plum blossoms, which can withstand the cold of winter, and says...

The final confrontation between the Hadogumi and Matenrou is now upon us. With the help of the Pachinko group, the Hadogumi defeats Matenro's subordin...