Learn Your Lesson

EXCERPT:
"You like that, don't you?" He tilted his head innocently when Baekhyun began shaking his head violently. "Oh, you don't? Well, you should have told me then," the older boy said sarcastically, reaching out to rub his thumb over the slit of the younger's purpling cock.

or

The sequel to Winter that explains what the hell happened at the end.