Don't Call It Mystery

, also known as Do Not Say Mystery, is a Japanese manga series written and illustrated by Yumi Tamura. It has been serialized in Shogakukan's josei manga magazine Monthly Flowers since November 2017 with 13 tankōbon volumes released as of September 8, 2023 In 2022, the series won the 67th Shogakukan Manga Award for the general category.

A television drama adaptation was broadcast on Fuji TV from January to March 2022. A live-action film adaptation premiered on September 15, 2023.

Plot
One day in winter, university student Totonō Kunō was accompanied to the police station to be investigated by detectives from the Ohinari Police Station, who visited his apartment in connection with the murder of Sagae, a fellow student and high school alumnus. It is said that Sagae was seen arguing with someone who looked like Kuno around 10 o'clock last night. Kuno categorically denies committing the crime, and goes to question and investigate an Inspector called Yabu and his friends every day.