Entertainment With Mythology?
The question is why do you want to indulge in an activity that results in guilt or anxiety? If mere entertainment is the purpose then quite evidently your chosen activity is counterproductive. Besides, entertainment can be achieved in a whole myriad of other ways. If you want to understand what shirk is, we can certainly help with that knowledge. But ultimately it will be you who will have to apply that knowledge to an activity that you choose to conduct at your own discretion.