On AO3.
As the pack trained Stiles took one last look at Derek then refocused on his laptop and the paper he was supposed to be writing.
But his mind drifted, and no wonder, because Derek was peeling off his tank top when Stiles looked away. The last thing he needed were more visuals of muscles glistening with sweat, especially when the possibility of ever touching those muscles remained elusive as the horizon.
Something moist and warm hit Stiles in the face and he sputtered, “It’s mine now!” jumping to his feet and running off with Derek’s shirt, Derek right behind him.