Ok… so first, be yourself, be kind; get to know them and try to develop a friendship; even small acts of kindness go a long way; talk, be nice, and actually listen to her (or him or them), just hang out, and just kinda casually say one day while you are hanging out, “hey, you are a really nice girl/guy (I’m just doing this for anyone) will you be my gf/bf?” That’s my advice, it worked for me