The Rose's Thorns(Jungkook)
"Getting married to your childhood ex-bestfriend is angering when you figure out he's a fuck boy now."
Jeon Jungkook and Kim Minzy were best friends at the age 5. Apparently, Minzy had only stayed in Seoul for a month and she had moved to Fiji Island. Minzy's family is very rich, they own almost the whole entire Fiji island. Years later, Jungkook takes a trip to Fiji Island. Jin, Minzy's cousin, told Minzy that Jungkook was in the Island, Minzy was excited. Minzy went off to look for Jungkook but when she had found Jungkook, Jungkook was flirting with a girl, that made Minzy loose hope and trust in Jungkook.
When the two meet, Minzy pretends to not know Jungkook, but later on he figures out that she does know him. When Jungkook is about to leave back to Korea, Minzy wants to go to Korea too. Minzy goes to Korea and lives Jin.
Unfortunately, Jungkook had to live with them for a few months because his house was under construction. As Jungkook and Minzy go to school together, Minzy meets her childhood guy bestfriend, L. (L from infinite.)Jungkook begins to get jealous over the twos relationship.
Later in the story, Jungkook and Minzy gets a call from their parents saying that they have to get married to each other!