Jihyo pov
As there was a little argument between chaeyoung and dahyun, i start expect that dahyun like sana, that why she have a argument with cheyoung it's because jealousy. 
"dahyun, calm down ok, it just a lil bit argument maybe chaeyoun in her period"
"eumm, araso, but why she have to yell at me"
"i don't know but are the thing chaeyoung say true?"
"of course no"
"ok then, but you act like jealous little girlfriend,  are you jealous of chaeyoung because what we saw before?"
"heoll of course no, since when i like that clumsy unnie"
"yeah maybe it's true, then do you like chaeyoung?"
"anii..."
"heoll you like chaeyoung right that's why when you see before you got jealous and keep quiet all the time and when chaeyoung say that to you, you feel upset, am i right? " *smirk* i said explain everything, why i didn't realise it sooner, she choke her tea
"anii... *cought* it's not.... like that"
"just be honest dubu"
"-.- ok im give up, you right i like chaeyoung and i'm jealous of sana unnie,satisfied? "
"heolll im right " *I'm celebrate my win*
"dahyunie it's that right?" suddenly sana comeback and said that while chaeyoung standing in there with shocking face

Sana pov
I a lil bit upset and shock by chaeyoung action cause she suddenly left without saying anything and pull me out of the blue, i stop and pull cheyoung
"yaa chaeng why you suddenly left and pull me, it's rude you know"
"sorry unnie, i really upset with dahyun, why she have to say that"
"same as you chaeng why you yell at her"
"mian unnie, i don't what happen it just out from my mouth she always like that, hidding something from everybody"
"ok now let's go back and say sorry to dahyun"
"but unnie...."
"no but, you come or i will never talk to you"
"arasoo"

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What will chaeng think