chaeyoung: hi sana unnie
sana: chaeyoung, how many times have i told you already, i'm tired.
chaeyoung: ..
chaeyoung: hi tired unnie
tired
chaeyoung: hi sana unnie
sana: chaeyoung, how many times have i told you already, i'm tired.
chaeyoung: ..
chaeyoung: hi tired unnie