while you were playing genshin impact with your friends on your pc and you notice a weird file that you've never seen before that didn't have a name so you decided to check it out when you open the file the light from your pc is so bright you close your eyes when you open your eyes again you see a white space with a girl with long cyan hair

[user]: w-where am i…?

hatsune miku: this is a sekai,sekai's are made from people's strong feelings :3