Innocence - Sword Art Online OP 2

"Innocence" the opening song of "Sword Art Online" (ソードアート・オンライン Sōdo Āto Onrain?) which is a Japanese light novel series written by Reki Kawahara and illustrated by abec. The series takes place in the near-future and focuses on various virtual reality MMORPG worlds. The opening theme song for the first 14 episodes is "crossing field" by LiSA and the ending theme song is "Yume Sekai" (ユメセカイ, lit. "Dream World") by Haruka Tomatsu. From episode 15 onward, the opening theme is "Innocence" by Eir Aoi and the ending theme is "Overfly" by Luna Haruna. "Innocence" is well known by people and if you like it, you can also download free Innocence sheet music to play with Everyone Piano. Just Enjoy It!