Akutou Ikka no Mana Musume, Tensei Saki mo Otome Game no Gokudou Reijou deshita. is a Manga/Manhwa/Manhua in english language, REINCARNATION 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

A girl who grew up as the granddaughter of a gangster family was reincarnated in a otome game, where the early modern mafia makes a secret move. She was the beloved daughter of the five major families that support the monarchy from behind the scenes! A dangerous love game between a former gangster's granddaughter and a villainous fiancé begins!