The most poweful characters in the world are crazy about me

At the age of 13, Dahlia Phesterose starts to remember her previous life and realizes she was born as the sister of the main antagonist in a dating simulation game, where the male characters, known as “transcendents,” eventually lose their sanity. Fearing her family’s downfall and her own safety due to her estranged brother, Dahlia is determined to find a way out. However, when she unexpectedly gains her brother’s favor upon his return, things take an unexpected turn as she unwittingly attracts the attention of the world’s most powerful male leads, who are on the brink of madness.