roguishness

/ˈroʊɡɪʃnəs/
noun
  1. The quality of being playfully mischievous or slightly dishonest.
    • Her roguishness made her popular at parties but got her into trouble at school.
    • The character's roguishness endeared him to the audience.
    • There was a hint of roguishness in his eyes as he told the story.