>>2050194From what I recall, in DOAX they have goofy "stars" censoring due to a graphical glitch (the engine can only render so many layers of transparency between water, clothing, hair and the environment, so if you stare at a certain part of a swimsuit through something like a transparent visor, it'll turn transparent itself). In the fighting games they're just dolls (as in Tekken and SC), I'm pretty sure.
Plus, as already pointed out, HDM makes the girls substantially bustier than they actually are (generally, DOAX models were less busty than the fighting game models, but DOAX3 reversed that). So you're getting an artistic interpretation no matter what. Earlier versions of HDM were less busty and closer to the in-game models.