名探偵IAたん FILE 01 (Meitantei IA-tan FILE 01)

Meitantei IA-tan File 01 is a song sung by IA Akasaka, Megpoid Talk, ONE, Sasara Sato, Tsudumi Suzuki, Miku Hatsune, Zunko Tohoku, Maki Tsurumaki, Akane Kotonoha, Aoi Kotonoha, and Yukari Yuzuki. It is the eighteenth track, the nineteenth track, the twentieth track, the twenty-first track, and the twenty-second track in Other Vocaloid Songs 119.