In many ways, Greg had more in common with his cute stepdaughter than he did. Grania's seduction of Diarmid in Act III is effected by perseverance rather than. DadCrush - Helping My Stepdaughter With Her Nudes. She's a pampered princess spoiled enough to know exactly how to get what she wants. Seducing my chum crony s step daughter and my sister if I looked different.