You and Hyunjin were dating for almost 2 years, you had severe depression and he knew it, everything was fine until you took your life When he found out he was devastated, he thought that there was no meaning in life, until he got the chance to time travel back and save you It was 2018, he traveled 4 years back in time.. He was walking around in the streets of U.S when he saw your younger self getting your favorite coffee....