
Tomozo Sudo is a detective. Due to an incident, he is excluded from investigative work. He is then assigned to work in a division responsible for taking care of animals whose owners are suspects or missing. Keiko Usuki is a police constable and works in the same division. She loves animals more than humans. Keiko develops inferences from clues from animals left behind at crime scenes. Tomozo and Keiko work together to solve cases.
Keishichou Ikimono Gakari is a Japanese drama of 107,573 characters, with 5,684 unique words and 1,424 different kanji. Its difficulty rating on Jiten is hard, 3.3 out of 5. The full vocabulary list ranks all 5,684 words by how often they appear, and you can study them on Jiten or download them as an Anki deck.
Here are some of the words that appear most often in this media, as well as a sample of its rarer vocabulary.