Harry reached around her and grabbed her hand as she played, helping her pump the cock in her hand and speeding her up slightly before letting go so he could trace a single finger over the slit of Lucius" cock, pleased when some pre-cum pearled out. He grinned sharply as he lifted his finger and showed Lucius the evidence of his own betrayal, delighting in the way the man shook his head in denial, in the way his eyes grew large even as his hips bucked up as Hermione continued her slow, sweet torture.