The upcoming anime adaptation of Masakuni Igarashi’s manga, “Detectives These Days Are Crazy!” (Mattaku Saikin no Tantei Tokitara), has unveiled exciting new details, including additional staff, the ending theme song, and its official premiere date. Mark your calendars for July 1, 2025, as the series is set to begin broadcasting in Japan on AT-X and other networks.
Production Details
Liden Films is producing the anime series, with Rion Kujo at the helm as director. Rintaro Ikeda is overseeing the series scripts, ensuring a faithful yet engaging adaptation of the source material. Isoroku Koga is handling the character designs and also serves as the chief animation director, bringing Igarashi’s unique characters to life on screen. Tomoki Kikuya is composing the music, setting the tone for the series’ blend of comedy and mystery.
Theme Songs
The opening theme song, titled “Suffer,” is performed by Taiiku Okazaki. The ending theme song is “GORI☆GORI Feez e-Girl!!,” performed by Kana Hanazawa and Tomokazu Sugita as their respective characters, Mashiro and a group of cheerful old men.
Cast Additions
The anime boasts a talented voice cast, with new additions including:
- Kengo Kawanishi as Taro Nezu
- Fairouz Ai as Azuha Hoshino
- Misaki Watada as Fuu-chan
- Yasuyuki Kase as Soya Mimasaka
- Hajime Iijima as Coach
These actors join the previously announced cast:
- Junichi Suwabe as Keiichiro Nagumo
- Kana Hanazawa as Mashiro
- Tomohiro Yamaguchi as Yuu Asunaro
- Aya Hirano as Hana Kazamaki
- Tomokazu Sugita as Nipple-Tasting Man, Cross Chest Hair Man, and Man Who Likes Ropes
- Chado Horii as Cerberus
Story Synopsis
“Detectives These Days Are Crazy!” revolves around Keiichiro Nagumo, a former ace detective who was renowned for solving difficult cases during his high school years. However, as he reaches 35, Nagumo finds himself past his prime. Dealing with physical ailments and a general sense of disillusionment, his detective agency struggles to attract clients.
Enter Mashiro Nakanishi, an enthusiastic high school girl who appears at Nagumo’s office, eager to become his apprentice. The series explores whether Mashiro can reignite Nagumo’s passion for detective work or if she will bring further complications into his already chaotic life.
Manga Origins
The original manga series, written and illustrated by Masakuni Igarashi, began serialization in ASCII Media Works’ Dengeki Maoh magazine in April 2016. As of August 2024, the manga has been compiled into 15 tankōbon volumes. One Peace Books has licensed the series for English publication, with the first volume released on April 28, 2025.
What to Expect
“Detectives These Days Are Crazy!” is a comedy mystery series that blends slapstick humor with classic detective tropes. The story is a parody of teen detective stories and Japanese pop culture.
Staff Overview
- Original Creator: Masakuni Igarashi
- Director: Rion Kujo
- Series Composition: Rintaro Ikeda
- Character Design / Chief Animation Director: Isoroku Koga
- Music: Tomoki Kikuya
- Sound Director: Yasunori Ebina
- Sound Effects: Hiromune Kurahashi
- Animation Studio: Liden Films
Character Details
- Keiichiro Nagumo: Once a brilliant high school detective, now a jaded, middle-aged detective struggling with his failing agency.
- Mashiro Nakanishi: An energetic high school girl who wants to be Nagumo’s apprentice.
- Yuu Asunaro:
- Hana Kazamaki:
- Cerberus: A stray cat that Mashiro decided to keep in the office.
- Taro Nezu: A young man with dyed red hair.
- Azuha Hoshino: A young woman dressed like a forensic pathologist.
- Fuu-chan: A young girl with messy silver hair.
- Soya Mimasaka: A middle-aged man dressed like a private detective.
- Coach: A bald, muscular Black man.
Where to Watch
“Detectives These Days Are Crazy!” will premiere on July 1, 2025, on AT-X and other networks in Japan. International viewers can likely find the series on streaming platforms such as Crunchyroll shortly after its Japanese broadcast.
Final Thoughts
With its blend of comedy, mystery, and unique characters, “Detectives These Days Are Crazy!” is shaping up to be one of the more interesting anime releases of the Summer 2025 season. The series promises to be a fun and engaging watch for fans of both comedy and detective genres.
