A book that people from other worlds write in - I've only seen one thing like this before, and that's Setsuna and Mirai's computer. It's pretty handy, traveling between the human and the demon worlds, but I don't think most humans would do too well over here.

I guess I'd better introduce myself! I'm Takajo Zett. Nice to meet you guys. Where are you from?

[ Addressing the community is a pale young woman, so pale that it seems her skin is moonlight itself. What else do you expect? SHE STAYS INDOORS ALL THE TIME, SERIOUSLY. ] Encountering this... website was bound to happen. There is always a chance the unpredictable may occur, which makes this quite predictable. [ ... ]

I have but one favor. Boast to me, community, of your deeds and of your accomplishments. [ She wants a story!! ] Do not be modest; I shall listen gratefully.

[ She appears as if she is about to turn off the camera, but then- ] Ah, that is right... I am not asking of claims in which you solved the key to life, conquered a country in one day, fought an evil overlord and saved the princess, defeated a wicked witch, took down a whole army by yourself, came back from the dead, gained eternal youth and life, [ Lazily, she begins to list all of these off on her fingers. ] punched a god in the face, destroyed a world, got away with murder on multiple accounts.... [ Oh. She ran out of fingers. When she lowers her hands they disappear under long silk sleeves. She smiles gently. ] I suppose most of you may understand the idea. [ Kaguya has standards. Totally. With that, she cuts the feed off. ]