Mark Tuan is a 17 years old high school boy who came from LA and have been living in Seoul for almost 5 years. Because he's a foreigner and his very handsome face, he become popular at school, countless girls or boys has confessed to him but unfortunately he's not open for relationship because his heart is still belongs to his ex, Kris. He tried to move on several times only end up hurting his boyfriend because he really can't open his heart for other man except Kris. Well, actually he might be moved on if Kris not always come around calling him, texting him, acting like he still care for Mark everytime Mark already has a boyfriend. At the end, Mark always dumped his boyfriend thinking that he'll be together again with Kris, but guess what? Everytime Mark dumped his boyfriend, Kris literally stopped courting him. Mark's biggest heartbreak was when he finally accept one of his classmate named Peniel, after Kris found out that Mark got a new boyfriend he automatically tried his best to get Mark attention but this time Mark capable to ignore his text and calls because Mark knows that Kris also already in a relationship with other guy. But Mark can't ignore him anymore when suddenly Kris come to Mark house and said "I do love you Mark, it is always you. please don't do this" and with only that sentence, Mark give in to him again. After some make out season Kris, Mark sure 100% that this time they will get back together so he started to ignore Peniel, saying that he's busy. 3 days after Kris sudden visit to Mark house, Mark found out that Kris already break up with his current boyfriend when Kris texted Mark "I'm done, you're next." Call Mark selfish, but he is beyond happy to read this messages, his hope for getting back together with Kris is finally just in front of his eyes, so without hesitation, he also break up with Peniel with a very classic reason "I'm not good enough for you". Eventually, Mark & Kris got very close after that, calling and texting every day saying they miss each other and stuff but they're still not together. Until one day Kris invited Mark to watch his concert on Saturday night, of course Mark happily accept the invitation. At the concert, Kris even gave him a backstage pass. Becoming a good "soon to be boyfriend again" he is, he takes care of Kris bandmate well, he comes bring delicious food and refreshing baverages for Kris and his band, he is perfectly happy. But his happiness stopped, it turns to sorrow when Kris propose to a boy on stage to be his boyfriend, who appareantly that boy is Kris's ex that he dumped after Kris sudden visit to Mark house. Mark can't hold back his tears anymore when he witness Kris getting back together but not with him. He decided to go home, not even saying goodbye to Kris because he just can't face him right now. He cried really loud after he arrived home. He didnt know what to do anymor