Ii am a mom and would rather my child come to me with this situation to get it checked the ut just in case but as a mom this actually sounds to be a hemaroid which is where you have pushed to hard at some point while having a bowel movement it's quite common, they can flare up bleed when going to the bathroom and stop bleeding but will always be there unless treated with surgery but definitely talk with your mom and see a doctor just to be on the safe side
I know I didn't do anything wrong but what is it
This is nothing too worrying but it may have to be extracted from a surgeon on a slight operation. You have to tell it to your mum. There is nothing to be ashamed of. Tell it to your mum tonight!!! You havent doen anything wrong.