This manga shows you what you can accomplish if you eat the right food at the right place at the right time!

The Holmes Agency is a private detective agency nicknamed the Big-Eating Detective Office. Seiya Takano, who is known for have a huge appetite, becomes this office's new leader, after working on his own in the same field. Ryosuke Noda and Ryoko Izumi work under him, both also having a big appetite.

Murder, robbery, and kidnapping—the three solve each of many such cases in a most surprising way: their appetite results in marvelous speculations, deductions, and conclusions!

They eat at the murder scene. They eat on the track. They even eat dog food! They keep on eating and eating, focusing on the food to the exasperation of the police and witnesses. And every time after they finish all the food in sight, they finish off the criminal, too.

KUITAN is formed from the Japanese words for Big-Eating and Detective combined. Real gourmets solve real mysteries. The big-eating detectives are solving cases from their deep knowledge about food!

Ajiyoshi Yoichi is a culinary prodigy who manages the eating house together with his mother. One day, Murata Genjiro appears in the eating house and is surprised at the delicious taste and delicate culinary skills of the katsu-don prepared by Youichi. Subsequently, Youichi is being invited to the Aji-oh Building in which he is involved in a spaghetti match with the in-house Italian chef, Marui. Youichi's novel culinary ideas, coupled with his enthusiasm of serving the best for his guests, allow him to defeat Marui in the match. From then on, Youichi begins to compete with other rivals in the race for the best tastes and dishes.

Won the 12th Kodansha Manga Award for shounen in 1988.