As a teen detective, Keiichirou Nagumo was a genius that cracked the toughest cases that even the police couldn’t solve. However, those days are long gone now and he is now a struggling middle-aged private detective that is just barely able to keep the lights on.
One day, Mashiro, an energetic high school girl bursts into his office and demands to be hired as his new assistant. Turning her down initially, Mashiro is persistent and determined to prove her worth the only way a young person can—by teaching him about the latest technology to help him solve his cases.
Detectives these days, man. They sure are crazy. If you are looking for more anime recommendations like Detectives These Days Are Crazy, head on down below.
Anime Like Detectives These Days Are Crazy
For Fans of Washed Up Old Pros

Gintama
After aliens invade Japan, they put a prohibition on swords. However, Gintoki Sakata still possesses the heart of a samurai.
Taking on odd jobs alongside of his friends, Gintama follows Gintoki during his chaotic life as an errand boy.
Similarities Between Detectives These Days Are Crazy and Ginatama
- A middle-aged man with skills, but is forgotten about by the world
- A quirky female weirdo as a companion
- Sometimes serious jobs, sometimes serious conclusions—never without absurd comedy and references throughout.
- Random, episodic jobs is the plot
- Funny faces for comedy.
Differences Between Detectives These Days Are Crazy and Gintama
- Gintama is often more erratic, with many episodes devolving into parody and silliness while the plot is forgotten. Detectives These Days Are Crazy is bound by more plot.
- Gintama is about an Edo Era Japan that was invaded by aliens
- Gintama works with a trio of weirdos rather than a duo.

The Detective is Already Dead
Kimizuka Kimihiko is a magnet for bad events. He constantly gets caught up in everything from witnessing drug deals to getting kidnapped. This time, he was forced to carry an unknown package on a flight by criminals, which leads him to an encounter with the legendary detective, Siesta.
After helping this beautiful girl unravel a case surrounding a mysterious organization she is hunting, he becomes her assistant. Fast-forward four years later and Kimizuka attends school aimlessly. After four years of international adventure, he is without purpose now that Siesta is dead. However, after meeting a girl that received Siesta’s heart from an organ transplant, this leads him right back to his mystery-solving days.
Similarities Between Detectives These Days Are Crazy and The Detective is Already Dead
- Washed up detective has a woman enter his life, help with his investigations, and rejuvenate his passion for his work
- Solving mysteries is the plot, but sometimes the mysteries are a bit odd
Differences Between Detectives These Days Are Crazy and The Detective is Already Dead
- Detective is Already Dead is not technically a harem, but it does have a romantic element and the amount of women in the main character’s life is suspiciously large.
- Detective is Already Dead has a sort of absurd story, but its taking it very seriously. It is not actually a comedy anime like Detectives These Days Are Crazy.
- The main character in the Detective is Already Dead is a teen boy who has already retired after a few years of globe-trotting detective work that ended in tragedy.

Life Lessons With Uramichi Oniisan
On the set of children’s show “Together with Mama,” 31-year-old Omota Uramichi is upbeat and cheerful to the children, but they are all ultimately put off as they get a taste of his adult angst and darkness that comes out in his cheerful voice.
Yet, failed gymnastics coach Uramichi isn’t the only one who is feeling the burden of a life passing him by. Others on the show suffer similar adult darkness.
Similarities Between Detectives These Days Are Crazy and Life Lessons With Uramichi Oniisan
- Adult male main character’s whose youthful dreams have been crushed by reality and employment.
- Episodic absurd comedy
Differences Between Detectives These Days Are Crazy and Life Lessons With Uramichi Oniisan
- Detectives These Days Are Crazy is about a girl rejuvenating the detective’s passion, Uramichi Oniisan is about how much being a working adult sucks and there is no salve for failed dreams.
- Uramichi Oniisan is a slice of life comedy with no plot
- Uramichi Oniisan can go darker with its comedy at times.
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For Fans of Detective Comedy

Cuticle Detective Inaba
Alongside normal people, half-animal people also thrive. However, half-animal criminals who commit crimes often leave police stumped. This is where detectives like Hiroshi Inaba come in.
Inaba, a part-wolf detective, possesses the ability to extract critical information by sampling someone’s hair.
His hair fetish aside, Inaba and his assistants scour the city to help catch half-animal criminals and his nemesis, a half-goat crime boss named Don Valentino.
Similarities Between Detectives These Days Are Crazy and Cuticle Detective Inaba
- Detective comedy
- Episodic comedy where they solve a case per episode
- The detective is brilliant, the assistants are helpful and silly
Differences Between Detectives These Days Are Crazy and Cuticle Detective Inaba
- Cuticle Detective is far more absurd with its comedy, replete with animal people and hair-eating detective work.
- Everyone involved in Cuticle Detective Inaba is eccentric and silly. No weary middle-aged detective here.
- There are two assistants in Cuticle Detective, both silly, but of varying degrees of eccentric and useful.

The Vampire Dies in No Time
Vampire hunter Ronald has received a job to rescue the son of a woman from the castle of what is said to be a legendarily powerful vampire.
However, upon arriving, he finds that this “powerful” vampire named Draluc immediately turned to ash when he kicked in the door. In fact, most things scatter him into a pile of ash as this “legendarily powerful vampire” is just strange reputation given to him. He’s actually super weak to everything.
Furthermore, the child in question was just freeloading there to play games during the day when Draluc was asleep and unaware.
In a strange turn of events, Draluc’s castle is destroyed and he and his armadillo move in with Ronald at his office. Now the pair work together taking care of the vampires and other problems that plague the city.
Similarities Between Detectives These Days Are Crazy and The Vampire Dies in No Time
- Detective comedy
- Episodic comedy where a case is solved per episode.
- Struggling detective that is past his prime, and feeling it.
- The struggling detective is rejuvenated by his new silly partner
- Sometimes serious, often a comedy
Differences Between Detectives These Days Are Crazy and The Vampire Dies in No Time
- The Vampire Dies in No Time is about a vampire hunter, but he runs his business like a private detective.
- The Vampire Dies in No Time, as it is supernatural, is far more eccentric in its silliness.
- The new partner in The Vampire Dies in No Time is not just a male vampire, but a profoundly useless one in all regards.
For Fans of Rejuvenated By New Girl Companions

A Salad Bowl of Eccentrics
One day, an impoverished private detective named Sousuke Kaburaya meets a girl named Sara who turns out to be a magical princess from another world.
While they start living together as Sara learns and adjusts to modern Japan, a number of other strange girls turn out to be living their lives in Gifu City.
Similarities Between Detectives These Days Are Crazy and A Salad Bowl for Eccentrics
- Washed up middle-aged detective main character
- The detective meets a girl who reinvigorates his passion for life
- Sometimes serious, often comedic
Differences Between Detectives These Days Are Crazy and A Salad Bowl for Eccentrics
- Salad Bowl of Eccentrics is a reverse isekai about fantasy humans coming to our world and living quietly in a neighborhood.
- Salad Bowl for Eccentrics is slice of life comedy, heavier on the slice of life.
- While Salad Bowl of Eccentric is often episodic in that its slice of life, it does have various story lines for characters that are sometimes ongoing.
- Salad Bowl for Eccentrics is more of a found family affair as the girl companion is both rather young and lives with her middle-aged detective in a very father/daughter sort of way.

Hinamatsuri
One night, an object falls through space and time into the living room of dignified yakuza member Nitta. The object turns out to be a strange girl with psychic powers, but Nitta is reluctant to both take her in and to accept her offer to make use of those powers.
Respecting his decision to not use her as a tool, this girl, named Hina, decides to help him anyway as they begin their life together.
Similarities Between Detectives These Days Are Crazy and Hinamatsuri
- A normal middle-aged man meets a girl
- She ends up invading his whole life
- Any serious moments will be undercut by a joke.
- Episodic comedy
- Funny faces for comedy.
Differences Between Detectives These Days Are Crazy and Hinamatsuri
- Hinamatsuri is about a yakuza raising an escaped psychic girl. So it has more found family vibes.
- Hinamatsuri is more of a slice of life comedy with a loose sci-fi plot.

Level 1 Demon Lord and One Room Hero
Ten years ago, the hero Max and his adventuring party defeated the Demon Lord. While defeated, the Demon Lord slumbered to regain his power, but in his haste to face Max again, wakes up in a small body opposed to his once-fearsome form.
Despite this, the Demon Lord goes to the human world to see what his arch-nemesis is up to only to discover that the mighty hero Max is a layabout in a one-room apartment with a terrible reputation as a sleazebag in the human world.
Similarities Between Detectives These Days Are Crazy and Level 1 Demon Lord and One Room Hero
- Once passionate men now washed up middle-aged adults.
- A girl enters their life and rejuvenates them
- Sometimes serious, often comedy
Differences Between Detectives These Days Are Crazy and Level 1 Demon Lord and One Room Hero
- One Room Hero is a fantasy anime set in a fantasy world that has become more reminiscent to our modern one after the defeat of the demon king.
- The “rejuvenating girl” in One Room Hero is a gender-bent demon king with minimal powers
- One Room Hero does have a linear plot as it goes on despite starting more episodic-seeming.
Do you have more anime recommendations like Detectives These Days Are Crazy? Let fans know in the comments section below.



