(You are Shigaraki's sibling but only Shigaraki know about it and no one else)

The LoV get teleported in a room without door or window. And you get teleported there too

Dabi: what the hell?

Shigaraki: who was that?!

Toga: what does this little wannebe hero doing here?

Spinner: what is going on?!

Mrs. Compress: mh?

Kurogiri: what?