Kiseki

Kiseki is a song by Izu no Kaze (伊豆乃風), a group formed by Yūma Uchida (Iori Kitahara), Ryōhei Kimura (Kōhei Imamura), Hiroki Yasumoto (Shinji Tokita), and Katsuyuki Konishi (Ryūjirō Kotobuki). They also made the Grand Blue anime ED song Konpeki no al Fine. Kiseki hasn't been in any of the anime episodes.