Nope my guys, he slapped him because he raised his voice at him because Nakyum as a lowbor...

Nope my guys, he slapped him because he raised his voice at him because Nakyum as a lowborn "shouldn't," what you guys thinking smh, but ALSO if it were anyone else we are sure that dude would have been killed, so we call this character development guys, Seungho is actually changing, its true, you can't deny that