UNFORGOTTEN. Life is a Story - story.one

Soo Jinah is obsessed with studying. Everytime something doesn't go her way, she falls back into her study routines. Especially after her brother gets a boyfriend, she feels lonely and gets reminded of her childhood bestfriend. Yoon Taeyang has been her first family after she had been given up for adoption. After moving abroad to the US, he stops contacting her and she's losing hope of seeing him ever again.
Fate however has other plans and brings them together again.