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"Age: Non-Applicable"
(hexbear.net)
As a kid I assumed no one knew how old these two were because they were mysterious ninjas, but it turns out Tecmo just redacted their ages in the English translation for obvious reasons. It's funny they went with this route instead of just bumping both characters up to 18 years old. I guess Tomonobu Itagaki refused to tamper with the sanctity of his precious DOA canon 
spoiler
I'm sad to report the PS2 version of DOA2 seems to be one of those early PS2 games that's interlaced to hell and back and will look like a jagged mess no matter how much you upscale it in PCSX2 
Yeah idk how to communicate this any better. She looks like the polyogonal video game version of an adult woman to me. I really cant be any more specific than that.
Right, but that's what I'm asking. Why does this read only as an adult to you? Because it doesn't to me. It reads as someone who could be pretty much anywhere between 15 and 30. What feature are you looking at which you don't think could be present in a depiction of a teenager?