Case Closed: Zero's Tea Time, also known as Detective Conan: Zero's Tea Time (Japanese: Hepburn: Meitantei Konan Zero No Tī Taimu), is a Japanese manga series written and illustrated by Takahiro Arai. It is a spin-off of the Case Closed manga by Gosho Aoyama, with Aoyama supervising the project, and is centered on the character Toru Amuro. The first part of the story was serialized in Shogakukan's Weekly Shōnen Sunday from May 2018 to May 2022. A six-episode anime television series adaptation by TMS Entertainment was broadcast from April to May 2022.
Arai launched another spin-off in Weekly Shōnen Sunday, titled Detective Conan: Police Academy Arc – Wild Police Story, which ran from October 2019 to November 2020.