I wouldn't spend too much time looking for a lable to apply to yourself because you're probably not going to find one that perfectly fits. Reality is way too complex to be neatly categorized like that.
Sexual and romantic interests doesn't need to match. This has probably more to do with the dom & sub dynamic than about being gay. It's a kind of a mismatch between how you feel and what you think is expected from you based on your gender.
I was in the same situation at your age. I'm just as confused 15 years later but I've stopped fighting it. I like what I like and I don't need to explain it. Most people deal with stuff like this but they just keep it hidden to avoid judgement. You wouldn't believe how many comments I get online starting with "I'm not gay but.."