On wedding day

It's the day when haejin mom and mr. Kim will get married
Haejin will get stepbrother
And BTS will get step sister

Haejin and her mom are ready to go to wedding hall
Again haejin his having a mask on her face of a Cheerful girl
She holds her mom hands and took her to mr. Kim

Haejin is wearing a red colour full length gown with red heels and silver jewellery

As she gave her mom hands to mr. Kim she smile at him and did bow
She left from there and sit on her seat which was in between of jhope and jin

As the priest started the ritual
Haejin was looking at her stepbrother more like observing them
Everyone were doing something non intrested one were on there phone and others were just talking

As haejin have to behave like a cheerful and cute girl she also start talking to them

"You all accepted the marriage" haejin said with a cute smile in which taehyung replied in a cold tone "no"
Haejin made a pout after listening to taehyung small and cold answer
"What should I call you guys" haejin again asked with a cheerful tone
"Whatever you want" said yoongi
After listening to yoongi haejin lips again form a pout and said "are you all always so cold" said haejin
For which namjoon replied "maybe"

"Joonie oppa can you please smile" said haejin for which namjoon looked at her confuse and said "me" while pointing towards himself
"Yes please 🥺" said haejin
As haejin said that namjoon looked towards others and saw them already looking at him more like waiting for his smile
Awkward namjoon smile at haejin and as soon as he smile haejin fastly go towards him and poke his dimple
"Woah one more time please smile " said haejin looking at his face waiting for smile ,
Namjoon again awkwardly smile and haejin again poked his dimple and said "you are sooo cute when you smile you should smile often" said haejin

As soon haejin said that namjoon lips formed a smile not the fake or awkward one but real one
Because it's first time someone praised him because in middle school everyone use to make fun of him
"Thank you " replied namjoon in a sweet voice
As haejin notice namjoon real smile and sweet voice she felt good that because of her acting someone is getting happy
Other boys also noticed that and was happy seeing namjoon smiling after years

After wedding ceremony

"Sweetie tomorrow me and mr. Kim will go to Japan for our business meeting i hope you can stay with your brother" said mom

Haejin was not happy after listening to that but what can she do now so she said
"Hmm ok mom enjoy your trip"

Next day
(Uh uh because your author is lazy )

Mom and dad(mr. Kim) said good bye to everyone and left for there trip

Everyone were sitting on the dining table waiting for there breakfast
"You know i decided nickname for you all" said haejin
"But we don't like nickname" said jungkook
Haejin lips again turn into pout and said "but your all name is so big and after all namjoon oppa is having no problem with nickname" said haejin
And every one look towards namjoon and he just awkwardly smile
"No problem if you all don't want nickname tell me whenever you are comfortable" said haejin

After having breakfast everyone left for there room

Haejin pov

Eish behaving all cute is difficult i really wanna behave like the way i am but now it's not possible as i am living with them in 1 roof

End of pov

BTS pov

Taehyung - that girl is such a actor

Jimin - come on tae she is so sweet and innocent

Yoongi - i agree with tae , it feels like she is faking all this

Jhope - i don't know if she is faking or not but namjoon smiled after so much time because of her

Namjoon - it's not like that but when she praised my smile i felt good

Jin - we just can't do anything now , as we are living under same roof .... should we do a background check

Yoongi - you are right a background check will work

Rm - ok them yoongi hyung and i will collect information about her background and will tell you all by tomorrow

Jin - ok.. let's do our work then come on guys meeting dismiss

End of BTS pov

______________________________________
Hello my lovely readers....my shiny's 💜
This is your author calfuray

If you find any type of mistakes in my book , feel free to comment 💜

I would love to take your all advice

Have a nice day and year ahead 💕