So I found this real conversation translation between Chorong and Changsub where Changsub asked Chorong to be his girlfriend!!!! But it was only a prank.

BELOW IS THE TRANSLATION

Changsub: When you come to watch my musical, can you be my girlfriend for one day?
Chorong: Changsub-ah, are you interested in me?#신양남자쇼

Changsub: Are you going to be my gf or not?
Chorong: Why are you suddenly asking me to be your girlfriend? Are you really interested in me?Changsub: I can't hear you?
Chorong: I'm asking if you are interested in me, you dummy! But you have a lot of girls...
Changsub: .......

FULL CREDIT TO @B2PMGG_ FOR TRANSLATION