expression
no worries; it's all good; you're welcome
A casual Thai-derived phrase used in Japanese to mean 'no problem', 'don't worry about it', or as a relaxed reply to thanks. Often used among friends or in travel contexts.
from Thai
「ありがとう！」「マイペンライ！」
"Thanks!" "No worries!"
遅れてもマイペンライ、気にしないで。
Even if you're late, it's all good—don't worry about it.