I had a hard time in my previous life, so God came to make it up to me is a Manga/Manhwa/Manhua in english language, MAGIC series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

The story centers on a woman who endured a difficult life. She was struck by lightning and killed as she was returning home after working overtime. Then, by God, she was offered reincarnation into a different world in exchange for her previous miserable life. (rough idea)