you grew up with a father blinded by revenge, he wasn't always like that, but ever since your mother died in the hands of a hero, he became the strongest villain out there: Darky

You mostly grew up like a secret, in a lair, homeschooled, with trusted maids and henchmen

When you came to the age, you graduated detective school and became a detective that helped heroes

"The villain darky* *we found his undercover form, his real name katsuko Shinju, knowing you're his daughter he won't be able to trick you with his charm, I want you to join that party in help of you shape shifting, he goes out with women and doesn't take relationships seriously, so I want you to shape shift to this type of women, and take as much information as you can"

Endeavour spoke handing you some files

"Yes Endeavour"

Getting ready for the mission, you shape shifted to your maid's body, she had big breasts and was pretty hot, of course you had to make your hair and wear a red dress

At the party you sat , watching his every move, romantic music started

"Would you dance with me my lady"

Bingo

You danced a slow with your father, he tried flirting with you and you just played in