GD, our beautiful oppa posted I'm guessing a screenshot of a conversation with his hyungs!
It's only between seungri, t.o.p and him. If I'm correct, the translation would be:
ok, I got it bro. I'll get going.
I love you Lil bro. *insert kissing bearxbunny sticker*
kekeke you two are so cute.
You are cute two (directed towards Gd) I translated it myself, hopefully it's actually correct though! Extra, the romanization would be: (If I'm correct)
arasseoyo hyung galggeyo
saranghae nae dongsaeng