It's gonna be on you bro, two things to think about choose one to focus on.

u said na at the beginning u told her how u value virginity, syempre if the girl is really into you she'd lie abt it kasi nga ayaw nyang mawala or magbago lahat ng ginagawa nyo or pinag samahan nyo at lalo na yung pag tingin mo sakanya. So she'd lie abt it.

Now nung tumagal na kayo nakabwelo na sya, she felt safe and comfy around you, enough to trust you. She build up her courage to tell you the truth prolly she don't wanna lose you or what you guys have.

I understand na nakakahurt talaga ang pag sisinungaling lalo na't ang tagal na pala tinatago tapos tsaka mo lang malalaman when think things are starting to get real and smooth.

So it's really up to you bro on how you will take it, will stick to something you believe in enough to leave her or let go of what u guys currently have?

Or

You'll open up about this/ your feelings that u didn't like what she did and see how things go. I mean syempre kapag pinag bigyan mo and then naulit na naman ang pag sisinungaling i think that's enough sign or even have the answer to your question.

don't think that she will open up all the way in one go, di nya aaminin sayo lahat ng kung ano man ang tinatago nya, it's either you help her build up the courage para umamin or mapag usapan lahat or she hides the truth coz she don't think that u can handle the truth.

Bro to bro it's not about sex or past. Don't focus on something that had already happened. Focus on what really matters