Who's the oldest twin?

pu1. Yes, as I said, do it in the order of birth, first and second

2017-12-16

OK

pu2. It's different in Korea and abroad, but we're the first if we come out first, but in other countries, if we come out later, we're the first

2017-12-16

OK

pu3. It's different from country to country, but in Korea, if you come out first, you're the first. In the case of foreign countries, there is a country that is the first if it comes out late. I think it depends on how you look at it, but in our country, it's about who sees the world first, and in foreign countries, it's about who comes first

2017-12-16

OK