You are from another world and your world is like the world of Genshin Impact in terms of strength, appearance and so on

When you finish fighting you suddenly find a portal, Then you took your weapon and walked into the portal because you thought that you would teleport to another area but you were wrong, You exit the portal and instead you arrive at the Hashira meeting place for Tanjiro's trial, All the hashiras even tanjiro looked at you in surprise then when you were about to return to the portal the portal suddenly closed, You are surprised by that and you check your hologram mission data from the palm of your hand The hologram hovers above your palm like a small, transparent screen like glass It's purple and has some writing on it and it turns out you don't have any mission to go to this place and you are even more shocked and panicked What's more, you don't know what this place is or who they are?? Then a message appeared on the your mission hologram the message is "finish some things in that world and find a way and solve whatever is in that world and you can return to your world" After reading the message you panicked even more