Even if Sang Hwa still told a lie, Mirae should have never taken his response this far. He might have been provoked, but people can be provoked to do something ELSE at least but assault? Its not Sang Hwa's fault Mirae took to responding to his lie with trying to assault him.
Just say the fucking truth... dammit... don't provoke him anymore... ヽ(`Д´)ノ