Chapter 1: Introduction to the protagonist, a young woman named Lily, who falls in love with her best friend's fiancé.

Lily sat at the coffee shop, sipping her latte and scrolling through her phone. She had always loved this place – the cozy atmosphere, the smell of fresh coffee, and the sound of the barista's steaming milk. It was her safe haven, her escape from the chaos of her life.

As she looked up from her phone, she caught sight of James walking towards her. Her heart skipped a beat as she saw him – tall, handsome, and charming as ever. He was her best friend Sarah's fiancé, and Lily had been secretly in love with him for years.

"Hey Lily," James said as he sat down across from her. "How's it going?"

Lily tried to compose herself and act normal. "Oh, just hanging out," she replied. "How about you?"

"I'm good," James said, flashing his trademark grin. "Just getting ready for the wedding."

Lily's heart sank as he mentioned the wedding. She couldn't believe that her best friend was going to marry the man she loved. She had tried to bury her feelings for James, but they always seemed to resurface whenever she was around him.

"Is something wrong, Lily?" James asked, sensing her discomfort.

Lily took a deep breath and decided to be honest. "James, there's something I need to tell you," she said, her voice shaking. "I've been in love with you for a long time."

James looked at her in shock. "What?" he said, clearly taken aback.

"I know it's wrong," Lily continued, "and I've tried to fight it, but I can't help the way I feel. I'm sorry."

James sat there, staring at her, unsure of what to say. Finally, he spoke up. "Lily, I'm flattered, but I'm getting married to Sarah. I can't be with you."

Lily's heart broke as she heard his words. She had known deep down that it was hopeless, but it still hurt to hear him say it out loud.

"I understand," she said quietly. "I just wanted to tell you how I feel."

The two of them sat in silence for a few moments before James spoke up again. "Lily, I care about you. You're my best friend. But I can't do this. I'm sorry."

Lily nodded, holding back tears. She knew that it was over – her chance with James was gone. She would have to try to move on and hope that someday she could find someone who loved her as much as she loved James.