You like Jungwon for a long time, but he loves your sister. You never told him about your feelings. He's your best friend, and you're scared.
He confessed to your sister but he got rejected because your sister loves Sunghoon. Which is his cousin. And the man that has feelings for you.
Sunghoon became your boyfriend, but he go to a party and got drunk and your sister took advantage of it. Your sister got pregnant.
They begged you all to let Sunghoon go but you didn't do it. You became selfish, Jungwon hated you because of that. He said hurtful words because you won't let your sister be happy.
Well you're the person that Sunghoon wants anyways. But you let him go in the end too.
You don't know what to do, everything feels so heavy. And there's two person that you can call but the one is getting married on your sister and the other one thinks that you're selfish. You're so tired of always giving up everything for your sister. She's always been the favorite one, while you're always left behind.
Angel is in her house. Drinking a lot. She's depressed. Well, she's always been depressed, it's just she's good at hiding it.
Sunghoon ask Jungwon to check on Angel, so even if he doesn't want because he hates her, he doesn't have a choice. He knew Angel's passcode, then he saw it, Angel is drowning herself with alcohol.
"Hey. Stop that. You're drunk." Jungwon immediately said, snatching the bottle of beer from your hand.