Yukari was a high school student when she died in a traffic accident, but when she woke up, she had been reincarnated as the daughter of a count in another world! But strangely, what was waiting for her was a life of poverty, so she decided to make use of the knowledge from her previous life.
E? Heibon Desu yo?? is a completed manga by Tsukiyuki Hana, first published in 2014. It blends isekai, drama, fantasy and slice of life. You can read all 18 available chapters of E? Heibon Desu yo?? online for free on MangaPulse; the newest is Chapter 18, added 2018-01-29. The series is finished, so you can read it from start to end in one go.