is it incest or wrong if we share the same dad but different moms?

Salt Apps Asked: is it incest or wrong if we share the same dad but different moms?

i have a half sister (same dad) and we have never met because our parents were really young and whatnot but i had a dream about her one night and i knew it was her just because… well idk how i knew at the time but we kissed in that dream so when i woke up i took it as a sign that i should try to find my sister so i went on Facebook. turns out she looked the same in real life as she did in my dream so that was odd and then after a few months of talking every day through text and video chat i finally opened up and told her that i had very strong emotional feeling towards her (not brother sister feelings, lover feelings) she told me that she couldn't say much about it considering she felt the exact same way. we decided it wasn't a bad thing since we had never met or talked to each other in our lives and that it would be okay if we wanted to be togeather. since then we have had many sexual encounters as well, as subtle as they may be considering we have still not me, they were very sexual. i think this happened because we are like the same person but different gender and all that. i guess im just wondering if this is wrong. I've talked to a few friends and none of them said they think its wrong, they all said that given the circumstances they don't see a problem with us being together and that they support us fully. any thoughts?