O que é Sword Art Online Progressive?

Progressive tem o principal objetivo de ampliar Aincrad, completando todos os time-skips que ocorreram no original.
Não é um remake, não é um remaster, não é uma prequela nem sequela.

Sword Art Online Progressive Volume 01, Sword Art Online Wiki

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Theatrical Feature Sword Art Online - Progressive: Scherzo of Deep Night -- Complete Limited Blu-ray Edition

SAO Progressive Movie 2 English North American Release Set for 2023

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What is Sword Art Online PROGRESSIVE? - Sword Art Online Progressive EXPLAINED

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Sword Art Online Progressive Scherzo of Deep Night (manga): Sword Art Online Progressive Scherzo of Deep Night, Vol. 2 (manga) (Series #2) (Paperback)