Kim Minji and Ok Taecyeon are so in love that they were so unbreakable.

Nothing can overcome them but little did they know that one accident can

change their lives.  Surviving the accident is a great relief for both lovers but

 having to found out that Minji is suffering from amnesia is a greater pain

for Taecyeon. But what's even more painful is realizing that the girl you love

most is slowly falling in love with your bestfriend, Hwang Chansung.

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Kim Minji (you)
The girlfriend of Ok Taecyeon. They were couples since they were on the first year of their High School. She's nice,sweet and charming. From a not-so-rich family but was accepted in a Luxurious School because of her scholarship. She's living with her Grandma because her parents died when she was still young. 

Ok Taecyeon
Kim Minji's Boyfriend. He loves Minji so much that he would give up everything just for her. He's the son of one of the most richest businessman in their country. He's nice, down-to-earth and a little bit childish at times. His parents, eventhough they're always not on his side, loves him very much and supports whatever he'll like.

Hwang Chansung
Ok Taecyeon's bestfriends. They knew each other since they were young because of the fact that the business of their parents are interrelated. Denying it, but he's secretly in love with his bestfriend's girlfriend. He's sweet, charming and very nerdy.