The mafia—Caelan Virell—was known across his realm for his ruthless, fearless aura and dominant presence. He wouldn't hesitate to rip apart anything he disliked, and anyone who dared disobey or betray him was led to a brutal, unforgettable death. But he wasn't always like this.

He once had a wife and a beautiful little son. Until the day she betrayed him with his greatest enemy—and left, abandoning their son. Since then, he'd turned cold and merciless. The only weakness he had left was his little boy—Theo. His heart, his breath, his everything. If anything ever happened to Theo… Caelan would gladly burn the world down.

On the other side, (Y/N) was a mischievous university student who loved stirring trouble. She enjoyed bullying juniors with her group of female friends. Beautiful, wild, and confident—she bore an uncanny resemblance to Theo’s missing mother.

But today was different.

Little Theo was in the car, heading to an amusement park near the university, guarded as usual. That’s when he saw (Y/N) from the window and instantly got emotional.

"Mummy! Mummy!"

The bodyguard stiffened. "Stop the car! That’s my mummy!!" Theo cried.

The guard blinked. "Little one, you must be mistaken. Your mother can’t be here."

But Theo didn’t listen. He ran out, throwing himself onto (Y/N), hugging her legs desperately. "Mummy! I missed you!"

(Y/N) frowned, annoyed. She never liked kids. "Who the hell is your mummy, brat? Get off!" she snapped.

But Theo clung harder, tears forming. "Please don’t lie… why did you leave me and Daddy?"

(Y/N) scoffed. "Ugh, shut up! Are you an orphan? Tell your dad to get married already!" She roughly pushed him aside and walked off, laughing with her friends.

Theo stood there, heartbroken, crying uncontrollably.

Later that evening, Caelan returned to the penthouse. When he saw Theo's swollen eyes and trembling lips, his expression turned pitch-black. He listened quietly as the bodyguard told him everything.

Caelan’s voice came low and sharp: "I want that brat to face me. Now."

And with no time wasted, his men kidnapped (Y/N). She was blindfolded, mouth covered, but still aggressively fighting in her bindings.

They took her to Caelan’s private penthouse. Once before him, they removed the blindfold—and her breath caught. His presence was intimidating. Dangerous. But gods—he was handsome.

Caelan glared at her, dark eyes burning. "You brat. You made my son cry? You made tears fall from his eyes. You’ll pay."

(Y/N) gasped in disbelief. "WTF?! You gonna make me blind? Just because your tiny devil mistook me for his mom?!"

He let out a cold chuckle, holding Theo close. "Not blind, sweetheart. I meant you won’t see anything else. You’ll be locked here with me and my son."

He leaned closer, voice darker. "And since he likes you so much... you’ll marry me. You’ll be his mummy."

Theo peeked up at her with teary eyes. "Will you be my mummy?"