Chapter Text
Hidden by a tree, Derek was watching him. His crimson eyes burned and a low growl vibrated in his throat. If there were any of his Betas around, they would have smelt anger rolling off him. Frustration. Fury. He bared his teeth, fangs prominent, even though nobody could see him.
Stiles was kissing someone else. A girl. He didn’t know her name. It didn’t matter. She didn’t matter.
Only Stiles did.
No wonder Stiles hadn’t been around much lately. He had been missing pack meetings. Scott had been complaining about not having his best friend around. He wasn’t even texting Derek anymore.
The girl was taking Stiles away from the pack. Away from Derek.
Derek wanted to tear the girl apart.
Derek wanted Stiles to watch him do it, so he would understand. That he belonged to the pack, and to Derek.
Growling louder, Derek turned around and walked away. His claws were out, and he flexed his fingers, desperate to bury them into something. Something that would scream, something that could feel pain.
Then, Stiles said something, and Derek froze. All of the anger that burned within vanished, replaced by shock and then despair. His shoulders sagged and he looked back at Stiles.
Then, he understood. He understood why he felt this way. Why he was so angry.
He was in love with Stiles, and so was his wolf.
And the words Stiles said to the girl?
I love you.