Sphere

Artist

スフィア

Sphere is a Japanese female voice-actress unit composed of Haruka Tomatsu, Ayahi Takagaki, Aki Toyosaki, and Minako Kotobuki. Formed in 2009 among four Music Ray'n labelmates, the group has built strong popularity through their music activities alongside their voice-acting careers. They have performed many anime theme songs, including the Arata: The Legend opening "GENESIS ARIA," the Nanana's Buried Treasure ending "Kasuka na Hisoka na Tashika na Mirai," the Yatterman Night ending "Jounetsu CONTINUE," the Ultimate Otaku Teacher ending "DREAMER," and the Two Car opening "Heart to Heart."