noun
escape from reality; escapism
Refers to avoiding unpleasant realities by immersing oneself in fantasy, entertainment, or other distractions. Often used critically or self-deprecatingly.
彼は仕事がつらくて、ゲームに現実逃避している。
He's escaping from reality into video games because work is tough.
それはただの現実逃避
That's just escapism.