Prologue

Sometimes, a child's innocent eyes may see things, grown adults could not.

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10 years ago,

"Tà an francach tar èis dul isteach ina ghaistè, Master."

Killian gripped the phone tighter, clenching his jaws to pressed down the rage surging in him. That bastard double crossed him. How dare he took the words of an O'Sullivan lightly? Of course, there is only one way to get even. Death

"Kill him." He ordered before cutting the call.

Killian absolutely hated rats, he can't bare the sight of them. They grossed him out and the fact that one had sneaked into his den right under his nose, swindling important information to the rival mob was a huge blow to his man ego. He spared no mistakes, definitely not when it comes to his family. The Irish mob was his life.

Especially after what happened 6 years ago. He had to be more careful and precise with every step and decision he took. He could never bear to lose another important person in his life again just because of his carelessness. He regretted that day and it will forever be a reminder of his failure to stand by the oath of protecting his family.

"Master." a frightened weak voice knocked from the other side of the door. Killian grunted out a 'come in'

The door open but he didn't hear any foot step, ' It better be important or else..'

The footman gulped, sweating profusely.

" Ms. Serenity fainted-"

Killian's eyes widened and he sprung out of his seat immediately before the guard could even finish.

"WHERE IS SHE?" he barked at the already frightened poor guy who seemed to have pissed in his pants.

"The West-w-wing clinic"

Killian's foot step were rushed, worry marrying his face as he stormed towards the small medical hall. The staff, there stiffened at the sight of their underboss and the eerie aura bustling off him. They knew not to utter a word that might possibly issue themselves a death certificate. Dr. Orlando appeared out of the white door, a calm look lightened on his wrinkled face as he patted Killian's tense shoulders.

Killian glared anxiously at the door, " What happened to her?" He demanded

" Everything is fine, Killian. Calm down. Its only fatigue and dehydration. A very common occurrence in anemia. Serenity is a very active child, she must have tired herself in the sun-"

"IN THE SUN?!" Killian roared, trying not to lash out on the doctor," I specifically ordered her nanny to not let her out in the sun. She gets dehydrated easily. For fuck's sake, its 95 degree outside!"

"Killian-"

"Bertha!" He yelled angrily.

A terrified young woman came running to him, head bowed in submission and fear.

"Why was Serenity out in the sun?" He asked lowly

Bertha flinched, her eyes rapidly blinking and hands pressed together. She could almost see the wave of anger, rolling off him.

"Young master." Bertha dropped to the floor," Y-Young miss was adamant on visiting the rose garden. She had a very bad temper. I-I told her No but she started c-cry-ing and r-running. I-I tried to s-stop her but-but she d-didn't listen-"

Killian chuckled humourlessly, shaking his head " You are lying. Who do you think would believe you here? Serenity is not a brat. I would've considered it if you were talking about Irina or Camilla but Serenity. You were slacking and nonchalant. A mistake I would never forgive. You have been warned that I leave no page unturned when it comes to my dearest sister. Yet, this happened"

"No, no, no please. Young master, I am begging you. It won't happen again. I swear, please."

"Right, it will never happen again." Killian smirked.

Bertha's eyes widened at the realisation of the other meaning behind his words. She shook her head profusely, begging for her life.

" Guards, code 17 to be served for this lady here." Killian chuckled menacingly, trailing a long finger down her wet cheeks.

"NO! NO! PLEASE NO"

Two soldiers grabbed her by the arm, dragging her away, her shouts for pleas lowering as they took her. The nurses present there froze in fear, they didn't dare raising their head, terrified to the core.

Dr. Orlando sighed and simply shook his head. The little girl had wrapped one of the most dangerous heir in the world around her fingers.

"Killian, she is resting. Don't wake her up."

Killian smiled apologetically, " Thank you, Uncle"

Dr. Orlando give him a small nod and head off for other things.

Killian sighed a relief. He slowly opened the door, carefully not making even the slightest of noise. His eyes softened immediately at the sight of the little girl on the white bed.

A pang of guilt hit him as he saw the IV crapped and pierced into the soft skin of her hands.

His little peace was sleeping serenely without any care in the world. Her expression smothered and adorable.

Serenity was different, very different.

An angel born in hell.

A fragile flower blooming in the depths of the dark woods.

A miracle, was she

Her smile could lit up the entire  room. The innocence of her thoughts, her clumsy feet, melodious laughter and pure heart had always brought life to the mansion.

The O'Sullivan Crime family was infamous for their notorious deeds. One of the most powerful in Europe. Killian had witnessed every one in the family possessing the famous O'Sullivan temper that runs in the blood of their clan except for Serenity. She had always been calm, soft and delicate. Killian had vowed to protect her at the first sight at her birth.

The Don Conall O'Sullivan had Seven wives. Killian was the first born from the fourth wife, Victoria. The oldest among all of his half siblings. The Don's previous three wives were barren or assumed to be.

Charon, the fifth wife had Camilla, three years after Killian was born. Then there is the twins- Boris and Bruno from the sixth wife Anushka.

Irina and Igor, another set of twins from the seventh wife, Albina.

Serenity was an unexpected miracle. Almost seven years ago, the third wife, Ceres was found to be pregnant which was unbelievable after remaining barren for almost 15 years. The Don never sleeps twice with a wife. It was an unspoken truth. The other wives were jealous of Ceres. She was prioritised by the Don himself by allowing her to sleep in his bed for more than once. Killian was the only one who truly rejoiced at the news apart from the Don . He was twelve at that time.

Mama Ceres was kinder than his own mother, Killian remembered.

One day, Ceres slipped down the stairs on her 8th month. Killian was the only one present at that time. He shuddered at the gruesome memory. Serenity was expected to be still born, it was a miracle that she came out alive and kicking.

She was so fragile and tiny, the water drying up in the womb due to the fall had lead her to have a weak heart causing anemia due to the lack of oxygen in her circulatory system.

"Killy!" Killian snapped out of his trance at the small voice.

"Siochàin, Are you okay?" He gushes, cradling her small face in his large palm.

"I am a strong girl, Killy" she replied giddily.

Killian snorted," I can see that"

Suddenly he remembered the incident, his mood dropped as he schooled his expression into a stern one, "Now, Would you mind telling me why you were out in the sun?"

Serenity gulped, quickly adverting her eyes and looking around "Its a secret, I can't tell you." She replied in a small voice.

"Serenity Rose O'Sullivan!" Killian growled in warning

Serenity shook her head, she peak at him from beneath her eye lashes and internally cringe at the raw anger on his face. "I-I was making a book gay for you.." She mumbled

Killian raised an eyebrow ," Book gay?"

She nodded shyly, "I plucked your favorite lilies too."

"Its Bouquet, siochàin. Not 'book-gay'" Killian corrected

Serenity grinned sheepishly, blushing in embarrassment.

"That still doesn't explain anything. Why would you make me a bouquet? "

"F-For tomorrow?"

"What is there tomorrow?"

Serenity gasped, dramatically slapping her forehead. All worries and anxiety long forgotten.

"Killy, its your Happy Birthday tomorrow. You are going to be a 18."

"Oh! Yeah..." Killian mused quietly to himself.

Serenity gawked at him bewildered " You forgot, didn't you? Who forgets their happy birthday?"

"I have you to remind me." Killian shrugged earning a pointed look from the little kid.

Serenity nuzzle her head into his palm, lying on her pillow. She pouted. Her surprise was ruined. She even had to sacrifice her pretty silver hair clip just so her nanny allows her to go out. She even got scolded by Mama Charon for running around the house.

"Killy?" she called softly

Killian hummed in reply.

"Is it true that you're going to leave me now that you are a big boy."

Killian looked down perplexed at what he heard. How could this six year old know that? The news hasn't been officially announced yet.

"What are you talking about?" He feigned confusion even if he already know very well what was going on inside her little brain.

"Athair told Mama Vic that you're going somewhere far now that you're 18. Is it true? Are you going to leave me?" Her voice trembled at the end.

"I will never leave you kiddo. As weird as it sounds you are more of a daughter to me than a sister. I have brought you up with my own hands. I had nurtured and hold you the longest. You, my little sunshine would be coming with me."

Serenity squealed excitedly, jumping into his arms so fast that the IV needle tugged and harshly pierced out, earning a loud cry from her.

"Siochàin!" Killian panicked, quickly latching on to her wrist to numbed the pain and blowing onto the wound at the back of her palm.

"I-I am fine." Serenity sunk her teeth down her bottom lips to control her tears and not to worry Killian.

"You don't lie to me ,kiddo" Killian glared at her.

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Omg! I really really really want to have an older brother, a caring one at that. Someone like Killian. Being the eldest sucks sometimes coz my mum's finger loves pointing at me. Jeez!

How many of you suck to be in your position (eldest, middle, youngest)? Comment down below!

Okay, this is the childhood era. Sometimes a glimpse of the past makes the future understandable. Don't worry you would get your Alessandro soon too. Be patient, hush!

Drop a vote and nice, nice, very nice comments if you want faster updates.

I am stingy lmao.

Okay! BYE PEOPLE!!!!!