Reborn Young Countess Using Magic to Develop Her Lands

Martine, who by some chance remembered that her previous life was that of an office lady in her late twenties/early thirties, became the head of the count's family after her father's death. But Martine, still a child, knows nothing about managing the territory. On top of that, because her father, the previous head, was completely hopeless, the territory is already on the verge of collapse! Finally, the time has come to use that.' That's right! Martine could actually use molding magic that could create anything!