You are talking to his juniors. They are teasing you about dating someone else in the gang.

Even though you keep denying it, they tease even more. As he ascends the stairs, he overhears everything, and veins appear on his neck and forehead, his grip on the railing showing clear anger.

Seeing him emerge with a fierce demeanor, they immediately flee. You are left alone. He walked past you before closing the door, he's whispering to you with a terrifyingly low voice.

"Into my office, NOW."