You'd do anything to stay out of jail. But if that's the kind of pay the guard wanted, the perpetrator has to do his best. And so this guy fucked her well, fucked her in all positions, so that the guard herself has wanted to taste his cock. And the ending on her belly completed the payoff. All debts had been paid. Here comes the long-awaited freedom.
Hardly anyone will remain indifferent at such a blowjob and everyone would like to have such a girl who can do it.