The Misunderstanding Transgender Noble Lady and the Vampire Count

A man who died protecting his family in a fire earned God's sympathy and was reborn as a young lady with cheat-like appearance and abilities in the otome game world "Flower of Darkness ~ In the Light ~". He is reborn as a black-haired, black-eyed genius magical girl (villainous young lady) and dominates to avoid dead ends and bad endings. He works hard while being misunderstood by various people and misunderstanding others. It's a slow-paced story starting from age 3. The protagonist gradually becomes stronger.