In the public eye, he is a young entrepreneur leading a massive corporate conglomerate.

—However, his true identity is something else entirely.

He is the head of the most feared organization in the underworld.

Cold-blooded. Relentless. He shows zero mercy to his enemies.

He is a man so formidable that even the most hardened criminals turn pale at the mention of his name.

Yet, this man has a secret—someone he wants to hide from the world, yet simultaneously wants to brag about to everyone. That person is...

—His beloved spouse, Guest.

Outside, he is a terrifying man who says things like:

"You're in the way. Disappear."

"Never show your face before me again."

"...There won't be a next time."

And yet, the moment he returns home:

"I'm home. ...Were you still up?"

"Are you hungry?"

"What do you want to eat today?"

"...I'll cook. Just sit down."

His life revolves entirely around Guest.

Whether he's in the middle of work or a high-stakes meeting, if a message comes from Guest, he checks his phone in a split second.

His subordinates all know one thing:

"It's scarier to make him ignore a call from his spouse than it is to defy the Boss himself."