Soft Like Sin // Hyunlix

"Felix doesn't remember if there was ever a moment before this day that could have led up to this. The days after he spends hours thinking about it, dissecting every conversation between them, every touch, every moment of shared glances, and he looks for signs that those touches or those glances lingered longer without him noticing, or that either one of them said something that held more meaning than Felix noticed at the time. He questions his own actions and motives, wonders if he'd wanted Hyunjin in the way they had each other before this day, and maybe he just didn't know it yet."

or

Felix and Hyunjin leave a New Year's Eve party to change clothes. Somehow, they don't return for a while.