第だい四しの壁かべ

expression, noun

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.

• このゲームでは、主しゅ人じん公こうがプレイヤーに話はなしかけて第だい四しの壁かべを破やぶる。

  In this game, the protagonist breaks the fourth wall by talking directly to the player.

• 演えん劇げきで第だい四しの壁かべを意い識しきさせる演えん出しゅつが増ふえている。

  There are more productions in theater that make the audience aware of the fourth wall.