Regular Edition
Release date: March 2, 2011
Buy from: CDJapan | AmazonJP | YesAsiaTrack listing:
01. Eternal
02. Murasaki (ムラサキ)
03. Eternal (Instrumental)
04. Murasaki (ムラサキ) (Instrumental)

First Press Bonus: Stickers

Limited Edition A (with DVD)
Release date: March 2, 2011
Buy from: CDJapan | AmazonJP | YesAsiaTrack listing:
01. Eternal
02. Murasaki (ムラサキ)
03. Eternal (Instrumental)
04. Murasaki (ムラサキ) (Instrumental)

DVD:
01. Eternal music video
02. Making of Eternal music video

Limited Edition B
Release date: March 2, 2011
Buy from: CDJapan | AmazonJPTrack listing:
01. Eternal
02. Murasaki (ムラサキ)
03. Eternal (Instrumental)
04. Murasaki (ムラサキ) (Instrumental)

Bonus: 24 page Special Photo Booklet

Tour Edition
Release date: March 2, 2011
Sold only at the Yellow Gold 3011 Tour in Japan.Track listing:
01. Eternal
02. Murasaki (ムラサキ)
03. Eternal (Instrumental)
04. Murasaki (ムラサキ) (Instrumental)