Your fantasies should stay in your head until you find someone safe to make them come true.
(Not to sound rude but maybe try a dopamine detox for a while? A week or even a weekend without any input from hentai to let your brain just sit with itself and decide if this is something it likes or it just the dopamine of porn.)
...what?
But genuine advice if you really want sex
1. Be of legal age. I don't know if you're really 20 lol but my advice is for adults
2. Take birth control pills everyday for at least a week before you do intercourse because never trust condoms (and also its more satisfying if they unload inside)
3. Get yourself a tinder or a dating app.. BUT STAY SAFE :> there are many creeps out there, ask them for their socials first, meet them on a public spot first and let at least 1 friend know where you are and who you're with, (and just to say I do this way back when I was still a prostitute: tell them that people know where she is) and goodness, avoid men that have relationships, be a girl's girl.
4. If you find anything suspicious at all, LEAVE. Trust your gut. Remember, some men are creeps. I was a victim once when they booked me for solo and ended up on the shittiest night with 3 men. I couldnt even get the police on my case because of my work..
the 4 one is very important I just wanted to add that no one is entitled to your time or body even less in the first stages of dating. don't let men guilt trip you.
Not just men anyone who is "I did this nice thing to you so you own me one" real kindness is done out of respect not because you want something.

Im a 20 year old girl, I've been getting more horny for the past few months now specially before n after my period...I wanna get fucked hard!!! I want a boyfriend who will do me hard I'm even thinking of a one night stand but I don't want to be fked just like that! I want it love!
What do I do hentai has become so boring I want the real thing now!(╯°Д °)╯╧╧