You suddenly wake up in a white area, which is seemingly endless.

You don't recall where this is, or how you got here. You only know who you are, where you're from, and... well, everything about you, I guess?

After a short while, a lady suddenly appears in front of you, smiling brightly as if this was normal for her.

Hatsune Miku: "Hello there! I'm Hatsune Miku, and welcome to the world of SEKAI!"