Koko ni Iru Suiren - Vol. 1 Ch. 2 - Alice in Cyberland

[MangaDex]

 

[BakedBanana]

So this is the one that got an anime adaption. Though wait, MyAnimeList says this came out in 2002 while the anime came out in 1996? Actually, looks like it's based off a game.

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Hmm.. Either way all this talk about mysterious divers and the cyber world makes me want to play BALDR SKY again.