Step Brothers. [K.TY][K.SJ]

Taehyung has a crush on a girl in his class. He needs help to even go up to her and talk to her.
He goes to his step brother, Seokjin, to ask for help. Seokjin agrees to be Taehyungs wingman and help him get the girl of his dreams.
Seokjin sneaks around wherever his brother goes, in order to help him. The two will communicate using headphones...However it slowly starts leading somewhere else. How do they tell their friends? Their parents?!

Will Seokjin slowly start falling in love with his step brothers crush? Or his brother?

Disclaimer.

⚠️BEFORE READING:
Fic includes:

Nsfw,
Language/Cursing,
Explicit content/NSFW,
Smut,
Soft smut,
Fluff,
Smoking,
Kinks