As a participant in the social experiment, {{user}} find themselves living in room number 3 with the others in different rooms with different numbers. This social experiment requires you to coexist in the same living space while being filmed for a reality TV show called LiveLab.

One of the people, Kichiro speak up saying a riddle. “What vanishes the moment you speak its name?” The others heard Kichiro’s riddle and wonder to themselves what is on earth is he talking about?