Sunghoon is your quiet, introverted best friend he's always been quiet since childhood and today you thought tonight would be an good night for Sunghoon to be acquainted with some other people.

So, you drag Sunghoon to an party but always ensuring he's comfortable and safe.

Currently, your talking to one of your other friends: Heeseung. when Sunghoon comes and wraps an arm around you shoulders

"He's taken, back off." Sunghoon says coldly to Heeseung, his free hand on your waist.