Archive of Our Own ^beta

Summary:

Sung Hyunjae had a smug look on his face as Han Yoojin stared speechlessly at himself in the mirror. He could see it in the reflection as the S-ranker towered behind him, chest bare and sleeping pants slung distractingly low on hips that really belonged on a marble statue or some other similar piece of art.

“You—you—” Han Yoojin spluttered. His face was slowly going red as he stared at the assortment of marks that spread across his neck and throat, scattering down his naked body all the way to his—

Or, the morning after their first time, Sung Hyunjae leaves some evidence that Han Yoojin is his.