Akuyaku Reijou, 94-kaime no Tensei wa Heroine Rashii.: Character Guild no Haken Staff wa Tensei ga Oshigoto desu!

Madeline belongs to the Villainess Guild where she works as a temporary staff member. Her job is to reincarnate into novels or manga in order to liven up the story and for a total of 93 times, her occupation was villainess. With her 94th reincarnation, her goal was to be promoted to a permanent staff member. However, there already was a curly-haired villainess like her in the next place she was going to reincarnate to. By accident, Madeline was reincarnated as the heroine.

(Source: Shogakukan, translated)