Still ongoing with only 4 chapters.
FL was the granddaughter of the mafia and when she reincarnated into an game she was the heroine and was the daughter of one of the underworld family
She don’t want to indulge in the events in the game and her fiancée who is the villain cos she wants to make friends and wants to hide her identity
But she got skills where she can fight and she do it whenever people needs help as such the ML attention was caught
He didn’t want to break off the engagement instead he is more intrigued and interested in her
Romance has not made so much progress but you can vaguely see something blooming
Akutou Ikka no Mana Musume, Tensei Saki mo Otome Game no Gokudou Reijou deshita.