Angelic Lady is a Manga/Manhwa/Manhua in (English/Raw) language, Drama 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

Angela was my friend. I wanted to give anything to her, who I thought more precious than my own family. And I eventually turned Angela, a lowly aristocrat from the countryside, into the flower of the capital society. But it was betrayal that came back. She sold me and my family to become an imperial princess.
"...did you have to go this far?" "Because I wanted you to be unhappy. I wanted to take your whole life away."
But when I thought I had died under the guillotine, I was surprisingly back in the past.
"Oh, hello. My name is Angela Vito..." "You're Angela! Nice to meet you. Everyone was waiting for you."
With a bright smile, I held her hands together again.