also: だいよんのかべ
fourth wall
The conceptual barrier between a fictional work and its audience; used in discussions of theater, film, and games when characters acknowledge the audience or break the illusion.
In this game, the protagonist breaks the fourth wall by talking directly to the player.
There are more productions in theater that make the audience aware of the fourth wall.
Standard kanji spelling; the reading だいしのかべ is more common than だいよんのかべ.
Alternate reading; だいしのかべ is preferred, but だいよんのかべ is also used.
Calque from English 'fourth wall', a term from theater theory referring to the imaginary wall between actors and audience.