Siella's Revenge Affair

Also known as: Yeojuga Nae Yakonjawa Baramnatda, 여주가 내 약혼자와 바람났다, The Heroine Had an Affair With My Fiance, ヒロインと私の婚約者が浮気した, 當女主角劈腿我的未婚夫, เมื่อนางเอกเล่นชู้กับคู่หมั้นฉัน

by Ssal Lemon, I-Rin Seol

To avoid her predetermined death by guillotine, Siella Labyrinth befriended Tirielle, the female lead. But their friendship only lasts until Siella discovers that Tirielle is in an affair with her fiancé! Reeling from the shock and betrayal of this plot twist, Siella decides to get back at the adulterous pair by proposing a revenge affair to the male lead, Crown Prince Raynous, who accepts her offer. Will this new affair help ensure Siella's survival or bring her an ending she never expected? (Source: Tapas)