The Link x OC was really good! I enjoyed it very much! Although I'm mire of an x reader kind of person I enjoyed your story very much.
What Went Well: Your OC wasn't too flat and not too Mary sueish (characters like that bug me,I hate it when they do it to x readers,or even OCs,it just ruins the story). Your splling was great and you're grammar was good (see what I did there? ;) ).
Even Better If: Why not try to add a bit of tragedy or a plot twist into your story? Something to grab the reader's attention and make them really feel something. You could even try to add an event to change the reader's personality or actions. This is called development of character,so having this in a story can be really interesting. But be careful,development of character can sometimes make or break a character. If you don't want your character to become crap for whatever reason,you need to think long and hard into this development and decide if it will help or ruin the plot. If it helps,you can always do a little research. I always do this for my stories to double check certain facts or to find out about a certain event that I lack in experience of. Google is your best friend,never be afraid to use it. ;)