Angels and Demons (Overlord x SAO Alicization Crossover)

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«WELCOME TO YGGDRASIL!»
----this is the last thing Kirito hears before he wakes up alone in a mysterious real-life world. Gifted with a powerful status and Game Display ability, he sets out to find others from ALO who have been summoned just like Kirito, all over this 'New World', each and every one of them facing dangers of their own.

Two Integrity Knights, named Alice and Eugeo, find themselves in the same New World, unable to comprehend what had happened to them. There they encounter a duo of Alfheim fairies, which they mistake as fallen elves of the Dark Territory, and turn their blades against them.

But unbeknown to them all, there was a third party rising to the stage. A magic caster with devastating powers appears out of nowhere, going by the name of 'Ainz Ooal Gown'. He and his subjects will do anything to achieve their goals, gradually spreading their influence, planting the seeds of conflict and tragedy all over the world........

Time grows near for these parties from separate realities to meet. How will they meet... as friends, or as foes? And what secrets lie behind this 'New World'.....??