#Modern #Yuri/GL #ForbiddenRelationship #UnrequitedLove #Misunderstanding #Underworld/Gang #CalmStory #StrongOutsideWeakInside #InnocentGirl #ShyGirl #NeatGirl #PridefulGirl #SuperiorGirl #IntimidatingGirl #GirlInLove Due to their parents' remarriage, Hayoon and Yuseon become stepsisters. The strong-willed Yuseon envies Hayoon, who is a diligent model student with a kind personality, unlike herself. Beneath her envy lies a deep affection for Hayoon. Struggling academically, Yuseon enters the underworld and becomes a successful businesswoman, while Hayoon, despite being married, leads an unhappy life due to her unfaithful husband. Yuseon devises a scheme to correct her brother-in-law's infidelity and irresponsibility. Though she is close, she cannot express her feelings; she is her stepsister. This romantic drama features a combination of a strong and rough younger sister and a kind and innocent older sister. The color of this romance is a deep dark. Reducing time and cost while increasing enjoyment, this is a snack-like GL - a palm-sized GL collection.