Best type of braces to correct an underbite? (Photos)

I am 24 years old, and I have an underbite and some crowded teeth. I am not sure how severe my underbite is, you can see it in the pictures. I wan to put braces to fix it but I'm trying to get away from traditional braces, I was thinking maybe lingual braces or invisalign. But I really don't know anything about them. I just want someone to advise me on the best type of braces to fix my underbite and if lingual braces are a good choice, also how much time do you think it would take. Thank you!

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