Lee Ha-yeon sat on the bed, her expression tinged with nervous anticipation.

She was dressed in her usual casual attire—a pink T-shirt that matched the color of her eyes and denim hot pants. Naturally, my hand rested on her pale, exposed thigh below her shorts.

Though there were still about ten minutes left before she officially became an adult, over the past month, I had not held back from engaging in increasingly intimate touches with her, even if we hadn’t crossed the final line.

"Just ten minutes left now…"

Her voice trembled slightly, her heart racing at the thought, but …