I believe Comey and I believe Trump. I believe Trump asked Comey to let the Flynn Russia thing go. I also believe Trump never believes he does anything wrong - and so he didn't think that was wrong. Taking a business associate aside, away from earshot of others, and saying, "Hey, f'get abaat it." is probably normal for him -unethical, slippery, but I think people would care far less if it was his private business. He's the president of the USA. He doesn't seem to know the difference. He's the highest public official in the country. It's not something a president should do with an FBI director. Whole other kettle of fish from real estate wheeling and dealing with other wheeler dealers.
Trump said himself, in a TV interview, that he fired Comey over his worries about Russia - but that wasn't the original reason put out. So, Trump and/ or his aides on his behalf, lied about that.
The thing I find strange is, Comey leaked this memo that he says he wrote right after their meeting. He said he did it because of Trump threatening to put out tapes. Was he calling Trump's bluff - or is that exactly what happened, and he leaked the memo believing there were tapes? Then again, threatening the FBI director to leak tapes of their conversation is odd, too.
...I don't know. It's beyond predicting with any certainty. I've watched lots of movies - and this "who done it" has lots of plot twists. After "Reality Winner", was arrested for leaking classified info about Russia - this "movie" (or is it a spy drama mini-series?) got way too surreal.