Modern Isekai

My husband is in love with my younger sister. And of all things, I found out about it on my birthday, which is also the day I died. But… I somehow traveled back to one year ago? The day I came back from the dead, I decided. This time, I have a year to seduce my younger sister’s man and marry him. Until then, I’ll get my revenge. But this guy… Why is he so perfect? He’s a second generation conglomerate heir, and during this contractual relationship, his eyes… his lips… I keep getting mesmerized. 'What should I do…?'

Ye Ji-an, the only S-class guide in Korea, was often called the “useless guide” due to her unique trait of having a 0% matching rate with all espers. After failing to match with an esper from Russia and on her way back home, she is suddenly swept away by a gate manifestation and wakes up alone in a strange temple-like place. The world she has traveled to through the gate is the continent of Wisrode, filled only with espers, and in this place, Ji-an is the only guide…

Reborn into a boys' love novel as the stepsister of gang leader Baek Hawon, Cha Yeonbyul is determined to prevent her death at the hands of Hawon's future lover, Yugyeom, a rival gang member. But as she ends the original Yeonbyul's twisted obsession with her own stepbrother by pretending to seduce Yugyeom, the new Yeonbyul finds herself trapped as the unlikely object of Yugyeom's affection! Will she escape the clutches of the male lead or stay caught in the middle of this gang love triangle?