.Hack did "trapped in the MMO, if you die in the game you die for real" genre way better than many modern contemporaries. Id_Entity is a fun take on that genre (manhwa only, not anime), though, unlike Aura in .hack or Yui in SAO being mostly just a plot element, it goes all-in on the AI character being a major story component, and the FeMC.

.Hack did "trapped in the MMO, if you die in the game you die for real" genre way better than many modern contemporaries. Id_Entity is a fun take on that genre (manhwa only, not anime), though, unlike Aura in .hack being a plot element, it goes all-in on the AI character being a major story component.