misterious step sister [On Hold]

mom's boyfriend

Ym p. O. V
Today i am very nervous to tell my daughter about my honey he just proposed me yesterday actually i decided to tell her yesterday itself but i was so happy

Y/m- y/n come downstairs i have to tell you something

Y/n- yes mom

Ym- yn I have a boyfriend

Yn- really i am so happy for you

Ym- did you anyway leave it so i was saying that we have to go to my boyfriends home and he have sons

Yn- how many sons

Ym-  just 13

Yn- what the- you say it as it is normal anyway when are we going to his home

Ym- by 7

Yn- okay

Yn P. O. V
I was talking to one of "my " men which i have sent to spy my mom and i got to know that my mom has a boyfriend and he is the mafia king so i just hope that he will not abuse my mom because her last boyfriend abused her and i have to kill him my thoughts got cut when mom called me probably to tell that she has a boyfriend i just act that i was shocked and i guess that they have to announce that they are getting married so i am prepared for it doesn't know how hos sons would react and i got to known that he has a daughter too and after that l get ready .
I wore this

we were in the car and i was playing in my phone and when we reach a middle age man came and hughed her and kiseed her eww... After that he introduced himself
??- hello you must be yn i am your moms boyfriend kim dong-woo you can call me dad
Mr. Kim P. O. V
Today i am going to tell my sons about her so i called them downstairs there was an awkward silece so I broke it
Dad- sons i have to tell you something
Them- what is it dad
Dad- i have a girlfriend
Them- what you can't do this
Dad- please
Them- ok
Dad- so they are coming at 7
Jimin- them???
Dad- yaa she has a daughter too
Kook- is she younger than us
Dad- no kook she is the same age as yeonjun so she is older than you
Kook- o always wanted a little sister ( little sad but happy tone)
It was 7 i was waiting for them then the door bell rang and I saw the love of life
I hughed her and kiseed her yn had a cold face and I introduced myself i kinda feel sad when she  didn't call me dad
Back to y/n P. O. V
Yn- hello Mr. Kim
Mr. Kim- come inside
Mom- okay honey
When i went inside i got shocked it was txt