Pretty Girls Detective Team: Wind from Asuka (2003)

Sinopsis

Four girls, Aoi, Sumire, Kaede, and Tsukushi arrive in Asuka, Nara prefecture with the purpose of unraveling the mystery of an ancient mirror. As they explore the ancient city, they are confronted with various mysteries and gradually begin to unravel the secrets of history, leading them into a strange world that transcends time and space.