Cosmic Explorer (stylized as COSMIC EXPLORER) is the fifth studio album by Japanese girl group Perfume. It was released on April 6, 2016 by Universal Music Japan, Universal J, and Perfume Records. Cosmic Explorer is Perfume's first studio album and their longest in production with three years since Level 3 (2013). It is also Perfume's fifth consecutive album to be fully produced, written, composed, and arranged by Japanese musician and Capsule band member Yasutaka Nakata. Three different formats were released to promote the album: a standalone CD, a double CD and DVD/Blu-ray box set, and a digital release.