post-COVID-19 relaxation; easing of COVID-19 restrictions
Refers to the period after COVID-19 restrictions were lifted or relaxed, often used in news and everyday conversation about returning to normal life.
With the relaxation of COVID-19 restrictions, the city has come back to life.
Travel demand is surging in the post-COVID-19 relaxation period.
Compound of コロナ (from 'corona(virus)') and 明け (the noun form of 明ける, 'to end' or 'to dawn'), literally 'the ending of corona'.