The Kagerou Project (カゲロウプロジェクト Kagerō Purojekuto, lit. "Heat Haze Project"), also known as "Kagerou Daze" (カゲロウデイズ^?, lit. "Heat Haze Daze"),^[1] is a Vocaloid song series created by Jin (also known as Shizen no Teki-P). The story revolves around the Mekakushi Dan, a group of teenagers with unusual eye-related powers.

A manga adaptation with illustrations by Mahiro Satō, began serialization in Monthly Comic Gene on June 15, 2012. A 12-episode anime adaptation titled Mekakucity Actors (メカクシティアクターズMekakushiti Akutāzu^?, lit. "Blindfold-city Actors") ("Mekakucity" being aportmanteau of "mekakushi" ("blindfold") and "city"), directed by Akiyuki Shinbo and produced by Shaft, aired between April 12 and June 28, 2014.