The day of the accident
Jeongyeon was driving his car when suddenly receive a call and looking at the screen to know who is
Incoming Call NAYEON

Jy = hello?
Ny = hello! Where are you ?
Jy = I'm on  way
 In half an hour I'm there
Ny = then give you surprise when you get.  --- nayeon says
Jy = ¿that?  surprise ... you know me well I'm very curious, 
case of  want to kill me 
Ny = NOO, best I tell you when you arrive,  just want to see your the  face  when  I tell you
JY = Please tell me,  at least give me a hint,  not better wait
Jeongyeon cuts the call and call again Nayeon to 

Telephone nayeon
Video call jeongyeon 
 Nayeon answers 
Ny = because you cut  and knocked again
Jy = you said you'd  tell me because you want to see my reaction ... and now you're looking at
NY =you could not put up with just a little more, plus you're driving
JY = please - said jeongyeon and put his puppy eyes
BRIEF HISTORY
Nayeon could not bear such tenderness of her fiance, nayeon and jeongyeon already had 6 years of dating
They met in high school and went to college together like every couple had their fights but always returned
Jeongyeon is the first in all of nayeon
Her first boyfriend, with whom she had her first time, she loves him more than anything
To jeongyeon, nayeon is the girl he fell in love with truth, it was in several relationships but never felt what he felt for nayeon
He