The reason why they are mortal enemies

Flashback~~~~~~~~~~

they were actually bestfriends but after several years they have large arguement.They eat, play ,went home always together. 

Their parents are very close to each other childhood friends also

[highschool]

"Yuri ah~ you look ugly" Yesung

"you are uglier! " Yuri said

" hey! Yesung how are you?" Sungmin asked

"I am fine and still handsome" Yesung answered

"aish oppa can you stop being a liar? " Yuri said

" who is she?"sungmin point at yuri 

" that's yuri my girl bestfriend" Yesung answered

"oh ~ Hi Yuri" sungmin said and smile

" hello" she said coldly

" sorry dude she is not comfortable to other guys " Yesung explained

"Oh okay " sungmin said and nods

"oppa!~ let's go I still have math class now I am late" Yuri said angrily

" bye I'll just send her to her room I'll be back in 10 minutes" He said and wave

" oppa! he looks cute" Yuri said as they walk away

"aish You are so weird you act like you don't like him but now you are saying he's cute" Yesung said

" I didn't say I like him !" Yuri said defending herself

"were here ~ I have meeting after class I can't go home with you" Yesung said and waved

"Okay!" yuri said and go inside her room

BOYS AREA.

" Hey Yesung~!" Sungmin said

" Hey~ where are they?" Yesung asked

"I don't know, by the way is she your girlfriend?" Sungmin asked directly

"No Just my bestfriend.that's all" He said and walked away

one day ,  they made a bet that Yesung can make Yuri fall for him.

He won and Yuri likes him but yuri found out that it is just all about a bet. Their  parents know that they are in a relationship so they sign a contract about arranged marriage.

"WHAT THE HELL YESUNG! I TRUSTED YOU. YOU ARE ALSO MY BESTFRIEND BUT YOU EVEN TOLD ME YOU LOVE ME BUT IT IS ALL ABOUT A BET!!!!!!!!!!!!!!!!!!!!!!!!!! MAYBE WHY WE BECOME BESTFRIEND IS ALSO ABOUT A BET" Yuri shouted and cry

"Let me exlain Yuri," Yesung said and now yuri slap him

"i WON'T TRUST YOU AGAIN!!!!!!!!!!" Yuri ssaid and walk away

Yesung hates girl that do aegyo and dork because the feelings are coming back again and again.

Yuri still remember everything HER FIRST LOVE, FIRST HEARTBREAK.....

and the worst is THEY ARE MARRIED NOW. how can they handle the feelings from the past?! the pain of the past........

sorry maybe next chapter would be yuri :)

I updated again ^^ 2 updates for now.

-taeyoung