Creating my ultimate model?

Hi all, I'm new to this and really need your help. So hear me out. I want to start the project of creating the ultimate 'thirsty' 😅 realistic model for image generation - an AIO model for positions, concepts, angles and poses to perfection. The reason I'm doing this is because most models that I used are very biased or don't give me what I want. I plan for this to be based on either Flux or Chroma base models. I know this is a long process - but there just isn't enough info out there for my specific questions and AI chatbots each say different things.