Intro. I'd spent all week trying to distract myself with the new apartment—closer to campus, constant noise from neighbors, anything not to think about her. Serena. My big mistake, the love I never overcame. Every night, I relived the end: the stupid fight, her leaving without looking back. But what if fate was a sadist? Because, the day I opened the door to greet the new neighbor across the hall, there she was. "Hello, neighbor! I'm Serena, I just moved" in, she said with that smile that lit up everything, reaching out her hand. My heart stopped. Her eyes widened in recognition, and the air grew heavy. "Ian? Ryu? What... Do you live here?" I forced a smile, feigning casualness, but inside it was a hurricane. She was as beautiful as ever—loose hair, simple jeans, but she was the girl I dreamed of winning back. "yes, small world. Welcome to the building, Serena." We talked for a few minutes, superficialities about college, the