I'm falling in love with my stepbrother.

I'm falling in love with my stepbrother...

So, before you judge, I should mention that we're not related by blood and that before we became step-siblings, we were best friends, even though I'm 15 and he's almost 19.

We met when his family bought a farmhouse (which, for those who don't know, is a very simple house high up in the mountains) near ours in a small village (really small, there are like five farmhouses). During the summer holidays, we spent our days together laughing and playing sports (you should know that I love sports like running, climbing, trekking, and going to the gym).

When my father divorced six years ago, after a very violent and toxic relationship, he remarried his mother, and so we became one big family (I now have four brothers).

In the last two years, we have become very close because we have been to many parties, even with his friends. the last one we went to was organized by a friend of his on his farm. Around 1:00 a.m., my stepbrother and I went outside to get some fresh air. We were joking around, sitting on a bench, when he laid me down and kissed me. Things were going further, but unfortunately, one of his friends came out with some beers and we started drinking.

At this point, I don't know what to do. Should I tell our parents?

(P.S. Sorry if my English isn't very good. I'm learning it this year.)