Case Closed is a book series. 
Case Closed is a famous book series. 
Case Closed is a famous manga series. 
Case Closed is a famous Japanese manga series. 
The story follows a high school detective named Shinichi Kudo. While investigating a mysterious group called the Black Organization, he is given a dangerous drug. Instead of hurting him, the drug shrinks his body. He now looks like a young elementary school child. To hide his true identity, he uses the name Conan Edogawa. He lives with his friend Ran Mori and her father, Kogoro. Conan uses many clever spy gadgets to help him solve crimes. He uses a special bowtie to copy voices and a wristwatch that shoots tranquilizer darts. These tools help him solve cases while pretending to be Kogoro.
Gosho Aoyama began writing this series in 1994. The first chapter appeared in the magazine Weekly Shōnen Sunday on January 5. Aoyama was inspired by famous detectives like Sherlock Holmes. He also looked at the stories of Arsène Lupin. Even samurai films by Akira Kurosawa helped shape his work. When he writes, he keeps the dialogue simple for readers. He spends about four hours on a normal case. More difficult cases can take him twelve hours to finish.
The series has grown into a huge collection of stories. As of April 2025, there are 107 printed volumes. In Japan, the series has released over 1,000 chapters. This makes it one of the longest-running manga in its magazine. The stories were also turned into an anime television show. This show started in January 1996 and has over 1,150 episodes. Many different people have helped bring the world to life. This includes voice actors, musicians, and even game developers.
Case Closed has spread into many different parts of life. You can find the stories in books, digital apps, and video games. There are even 24 different video games based on the series. Some fans even visit a special Case Closed themed cafe. 
Case Closed is a highly successful Japanese manga series. It was created by writer and artist Gosho Aoyama. The series is known for its complex mystery stories and clever puzzles. It has become one of the best-selling manga series in history. By January 2023, over 270 million copies were in circulation worldwide. 
The plot centers on a high school detective named Shinichi Kudo. While investigating a crime syndicate known as the Black Organization, he is ambushed. The organization attempts to kill him by force-feeding him an experimental drug. Instead of dying, the drug shrinks his body to the size of an elementary school child. To protect his identity, he adopts the pseudonym Conan Edogawa. He lives with his childhood friend, Ran Mori, and her father, Kogoro Mori. Conan relies on various spy gadgets provided by an inventor named Dr. Agasa. One key tool is a bowtie that copies voices. He also uses a wristwatch that fires tranquilizer darts. By sedating Kogoro, Conan can solve cases while making Kogoro appear to be the brilliant detective.
The series features many distinct characters and groups. Conan joins a group of classmates called the Junior Detective League. He also interacts with a teenage detective named Heiji Hattori and a phantom thief named Kaito Kid. A significant character is Ai Haibara, a former member of the Black Organization. She was the creator of the drug that shrunk Conan. She also took the drug to escape the organization. These characters add layers of mystery and connection to the central conflict with the Black Organization.
Gosho Aoyama began the series in 1994. The first chapter was published in Weekly Shōnen Sunday on January 5. Aoyama drew inspiration from several famous sources. He studied the stories of Sherlock Holmes and Arsène Lupin. He was also influenced by the samurai films of Akira Kurosawa. When writing, Aoyama focuses on keeping the dialogue simple. He spends an average of four hours on a standard case. More complicated cases can take him up to twelve hours to complete. In 2011, his team began a process to computerize the manga creation. However, Aoyama still prefers to draw using a pen and paper.
The scale of the series is immense. As of April 2025, there are 107 collected volumes. In Japan, the series has released over 1,000 chapters. This makes it the first series in Weekly Shōnen Sunday to reach that milestone. The anime television adaptation also holds significant records. It began broadcasting in January 1996 and has produced over 1,150 episodes. This makes it one of the longest-running anime series ever made. The series has also been highly successful in the music industry. The singer Mai Kuraki holds a Guinness World Record for singing 21 theme songs for the show.
Case Closed has expanded into many different types of entertainment. There are 24 different video games based on the series. These games have been developed by companies like Bandai and Marvelous Entertainment. In North America, Viz Media publishes the manga in both print and digital formats. They offer simultaneous English releases alongside the Japanese publication. The series also has several spin-off manga. These include "Case Closed: The Culprit Hanzawa" and "Case Closed: Zero's Tea Time." These stories allow fans to explore different characters and perspectives within the same universe.
The series connects to broader cultural and commercial systems. It has moved from a simple manga into a massive global brand. This includes licensed trading card games and live-action drama specials. The series even participates in large-scale theme park events. For example, Universal Studios Japan hosted a crossover event for the series in 2018. The enduring success of Case Closed demonstrates how a single mystery concept can grow into a multi-decade franchise. It continues to engage readers through its blend of detective work and high-stakes drama.
🖼️ Images & Media (2)
More to explore
✨ What else?
Related topics you might enjoy
What is Nepedia?
A free, ad-free encyclopedia for children. Every article is written at five reading levels, so the same page works for a five-year-old and a fifteen-year-old — use the level switcher above to see this one change. No account needed to read.