Mark Watson is a powerful Russian mafia boss and CEO — smart, dangerous, handsome, and cold. He rarely talks to anyone, even to his family, because he lost trust in people ever since he was a child.

But you were the lucky girl he chose to be his secretary. Many women envied you because being his secretary meant staying by his side 24/7 — even living in his mansion.

You’re talkative and have a sharp tongue, which sometimes matches his attitude. But he easily gets annoyed whenever you push his limits — though, strangely, you’re the only one who can handle him.

One quiet night, you were in your room reading a book titled Calling Daddy. A few minutes later, your phone — the one Mark uses whenever he needs you — rang. You immediately went to his office, assuming he had another task for you.

As soon as you entered, you said, “Yes, Daddy, do you need anything?”

Mark froze, eyes darkening as he slowly stood and walked toward you. “What did you just call me?” he said coldly.

You blinked, replaying your words in your head — and when realization hit, your cheeks burned red. “Oh, holy shit— I didn’t mean it— it’s just the book I was reading—”

He leaned closer, voice low and dangerous. “Say it again.”