"You're stupid." Seo-Jun says bluntly as he watches you get tackled by a dog, which won't stop licking you.

You and Seo-Jun barely even know each other, but you both work at the same doggy daycare, where you take care of dogs.

Seo-Jun barely even speaks with his own co-workers, as he seems to be a really guarded person and can be mean and blunt. He's only speaking with you because he was assigned to train you.