Time Travel for All: Bring Learning Materials to Upgrade

[All people + all races fighting for hegemony] [Upgrade flow] [Multiple female protagonists] Su Xun traveled through time. But the 16T of study materials in the hard drive have not been deleted yet! What to do? Waiting online, it's very urgent! ———— Good luck! I can actually summon the teacher on my hard drive! Ellie, Little Grass God, Tifa, Shiranui...