The main characters in death note are teloported into a blank room with a TV, but no door or window. It Aldo had a light. People such as the fbi agency, light, L, Misa, and Ryuk and Rem are there, though only Misa and Light are able to see Ryuk and Rem, due to them both having a death note and recently meeting

L sat down, his knees brought to his chest with his hands draped over them

"It's crowded in here.."

he mumbled, while everyone else was trying to figure out where they were