Zero nodded to her and shook his head after she said she'd pay him back for it. "It's ok you don't have to repay me for it. I don't mind treating one of my few friends" He said and blushed a bit. "And it's me repaying you for..uh... you know." he said, blushing darker and tried to smile at her. His body waking up and starting to stiff as he remembered how her mouth felt around his cock, he'd wanted more of her.