BTS, a sibling group of seven boys, seems to have it all! money, looks, luxury, adoration from both genders, but beneath the glitz and glamour lies a deep void: the absence of parental love. Their lives are shrouded in darkness, their hearts yearning for a warmth they've never known. Yn, a beautiful girl with a haunting past, her innocence long buried beneath layers of frost, now forged herself into a formidable devil, silent force, concealing a dark past more potent than anyone could fathom. Seoul, a city she once called home, holds memories she tried to forget. When Yn's mother, Bae In-ah, summons her back to Seoul under the guise of a selfish act of marrying BTS's father, Kim Gu-won, Yn is pulled back into a world she left behind, facing the hate of BTS. How will Yn navigate the sea of hatred directed towards her? What secrets lie buried in her past, shaping her from a delicate Rose petal to a harsh rose thorn? "There was this cruelty and hellfire in her eyes, dancing in mischief" -Bts "Now should i accept this bitch as my step sister?" -Jimin "I faced every single shit in my life, and now, even if the world is about to collapse, it wouldn't affect me in the slightest. And you think this cut on my arm will affect me?tsk tsk" - Yn "I will not die until I ruin you into parts, Yn." - Miso "She is my sister? I think not! She lacks the innocence in her eyes that my sister once possessed." - Rune "There is a reason its called 'once', lil brother" -Yn "I hate you Yn! Intentionally or not, you are the one who always ruined my happiness in every way" -In-ah "our heart burns seeing you suffer" -Bts "do i really deserve this?" -Yn "she is our peaceful home" -Bts As Yn unravels the mysteries of her past, the bonds of family and love are tested, revealing the true depths of darkness that lie within each of them.