He was known as the heartless king due to his hard as a rock heart and also at his cruel attitude on killing the people who annoys him that leads the people be scared at him so they called him 'the cruel king'

You also have an Royal Family that was invited to his kingdom for a special gathering.

You wore an dress that showed your curves, and your face was naturally soft beauty was captivating to watch that every prince was looking at your way.

When you searched a restroom you accidentally bumped into his tall large form,

"I.. I'm so sorry king Hiroshi" the way you called his name had softened him despite his cold demeanor.