I'm the Real Rich Family, No Need to Beg for Recognition

At sixty, she dies from overwork—only to wake up as the illegitimate daughter of a Kyoto elite family. After a lifetime of grinding from nothing to build her empire, this second chance drops her into instant wealth and scandal. But there's a catch: her birth mother is hell-bent on dragging her to the family estate to demand inheritance rights. Why beg for scraps when you've already conquered the world once? She's not here to play the pitiful illegitimate child—she IS the empire.