Dual-Wielding Young Lady. I Can Handle Both! ~When I Fell in Love with My Fiancé's Younger Sister, My Engagement Was Called Off! Since I Love Them Both, Let's Talk It Over~

Reina Alford, the daughter of a prominent merchant family, spends a night with Carla, the younger sister of her fiancé Cliff White. Upon learning of this, Cliff breaks off his engagement with Reina. Days later, she shows up alone at the White family mansion and requests an opportunity to explain herself regarding the matter. Cliff, her former fiancé, Carla, the woman he cheated with, and Reina, a young lady who swings both ways, come together and discuss what love truly means.