Well, to hide your Instagram story, you first go to your story settings. There, you might find options like 'Hide Story From'. Click on it and select the individuals or groups you don't want to share your story with. This way, you can effectively ig hide your story from unwanted viewers.
Well, one way to do it is to focus on other characters and events, giving very little attention or no space to the person you want to hide. Maybe even create distractions or new plotlines to draw the reader's focus away. Another option is to have them in the background but not have them play any significant role or have any dialogue.