That's happened to me as well plenty of times with my characters x'D
No one has compared my story to another one for now but I know for a fact the premise is not the most original thing at all. It's been done many times before, I know that, but I know as well no one is going to do the same exact thing I'm doing, and no one has created the same characters I have, so... I can live with that x'D
There's also a character of mine who has a power that's pretty similar to how Steven's room (from steven universe) works. That reallt annoyed me since I had this character and her power planned since years before SU aired, but, well, just gotta live with that as well lmao.
There's many amazing people out there making great content, thinking real hard about their stories, it's not weir at all that there's coincidences all over. You can't be discouraged for that, just, enjoy that content and try to learn from it c:
tldr: This quote