From Now On, Romance is a Manga/Manhwa/Manhua in english language, Drama series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.nl fastest updating comic site. The Summary is

Sisters Ju-eun and Hye-jin lived a miserable life. After the death of their mother, their ‘father’, who had always been absent from their lives, suddenly appeared. Hye-jin, the older sister, agreed to his suggestion: if one of them joins the ‘Daesung Group’, he will rescue them from their poverty-stricken life. However… three years after entering ‘Daesung Group’, she dies in vain. This left Ju-eun struggling with despair at her helplessness in preventing her sister’s death. But then, she gets a new opportunity when she is brought back in time and Ju-eun decides to take her sister’s place by becoming the daughter of the ‘Daesung Group’ that killed Hye-jin.