Yuni's feed

All I can remember is that she reincarnated and near the end 3 supposedly love interest of the fl of the original novel fell in love with her... The 3 were doing something to revive her(not sure) but the ml found them and rescued the fl. It is like they are obsessed with her and used dark magic(?)

Please help meeee it's been on my mind and I am frustrated, i saw it on a tiktok video and now I don't know what it is I forgor