If this is something they have to do, he may as well use it to his best advantage. There's also some small satisfaction in that look on Vena's face. Who knows how old the incubus is and he's probably heard 'no' so infrequently he can count the times on one hand. Yet here stands some young monster with the audacity to tell him 'no.'

At least, no it can't be one-sided. Su-jin can't feast on Vena's flesh without giving his own. It's a fair trade, but Su-jin doesn't want to be simply a means to an end. Vena's a sex demon, surely he can teach Su-jin to be more than an inanimate object in the act.

Su-jin's hands tighten even more, hinting at the inhuman strength behind them. "My hands are on."