The Tsukuyomi Park (月夜見公園 Tsukuyomi Kōen?) is the largest park of Hisakata town, the primary setting of the Guardian Angels Of The Sky series. The Tsukuyomi Park is located underneath the Yuubi Plaza and reaches up to the eastern part of the plaza. The park separates the Castle Wards from the Chiboshi Ward and the Shingetsu Ward.
- The park's name could be a pun to Tsukuyomi, the moon god in Shinto and Japanese mythology.