Futago no Imouto ni Korosareta Ane, Nidome no Jinsei wa Hatsukoi no Ike Oji Outei ni Full Bet Shimasu!

Betrayed and murdered by her own twin sister, Diana meets a cruel and untimely end. However, instead of fading into oblivion, she opens her eyes to find herself inexplicably transported back in time. She has awakened on the very morning of her graduation ceremony, granted an impossible second chance at life before the tragedy that claimed her could ever unfold. Armed with the painful memories of her previous existence, Diana resolves to alter her fate and protect those she lost. Her most urgent mission is to save Alan, her first love and a man who tragically perished during her original lifetime. In this new timeline, Diana dedicates everything she has to shielding him from the grim destiny that awaits, staking her entire future on their bond. Despite the significant age difference between them, her feelings remain unwavering as she navigates the complexities of high society and hidden dangers. This captivating romance fantasy follows a young noblewoman who refuses to repeat the devastating mistakes of her past. By betting everything on the handsome older man who once held her heart, Diana embarks on a desperate fight to rewrite history, forge a new path, and finally claim the happiness that was so violently stolen from her.