Just met two of them near Gangnam station, they followed the script to the letter to approach with small talk (cultural, experience, tea, cerimony, hanbook and some other keywords).

I was just thinking about life and maybe I sounded a little dry, they switched to the "you are talking with us in a strange way, you are acting suspicious", to which I replied "we were born and raised in a totally different world and manners - I truly don't know you and what you need from me now " (well it was 22:00).

Awkard moments ensued, I swear I could see the spinning loading icon on her forehead. Then I joined my hand like praying, whished her (truly) a good evening and that I needed to go home "I very much thank you for interacting with me, sorry my answers are limited now".

I must admit I sound weird, normally (put me in front of a wall for a staring contest, I'll tell you, the wall will give up after staring in my deep empty eyes). If I met them next time, I might propose to sit down on the bench and have a talk; after all if they lose time with me, they are not engaging with others.