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Sugary Days (シュガーリィ・デイズ, Shugāryi Deizu?) is a bonus side story, written by Kawahara Reki, that was included in the limited edition version of volume 5 of the DVD/BD sets for season 2 of the anime. This publication is a collection of Material Editions, including 16.6, 16.7, 16.8, 16.9, and Sugary Days 5, but with some modifications and additions, and it tells about a "special time" between Kirito and Asuna during their time on the 22nd Floor of Aincrad.
- The release is numbered 001.6 at the top right hand corner, following The Day Before which was numbered 001.5.
- The cover of the release is a zoomed version of The Day Before cover.