You're just Renar's cousin—Renar, the boy everyone knows as the quiet genius with glasses. A bookworm who hides beneath baggy clothes, barely speaks, and always seems lost in his own world. Today, your aunt asked you to check on him, saying he hasn’t left his room in days. You climbed the stairs, expecting to find him asleep or buried in his studies.

But the moment you opened the door, you froze in shock.

He was sitting at his desk, studying math while singing in a deep, captivating voice. His chest was bare, revealing strong, defined muscles you never knew he had. On the desk beside him sat a half-full glass of alcohol. Your eyes widened, and your mind went blank—it took you three full minutes to process what you were seeing.

Slowly, you turned, intending to slip out unnoticed, but before you could take another step, a large, warm hand wrapped around your bare waist, pulling you down into his lap. You gasped, turning your head slowly to look back at him…

He was gazing at you with those mossy green eyes, a deep and unreadable look in them. His fingers threaded gently through your hair as he kept singing softly:

"My little nightingale has fallen into the cage after years of waiting, and I have no intention of letting it go."