noun
deus ex machina
A plot device where a seemingly unsolvable problem is suddenly resolved by an unexpected intervention. Used in literary and dramatic criticism, as well as in discussions of film, anime, and games.
この映画のラストはデウス・エクス・マキナすぎて、納得できなかった。
The ending of this movie was too much of a deus ex machina; I couldn't accept it.
古代ギリシャ演劇
In ancient Greek drama, deus ex machina was often used.