If you are struggling to come up with story ideas for your personal vlogs, you might think about fleshing out your own talents to draw stories from. Personal vlogs are very powerful and can be super entertaining. Since everyone is different and has different combinations of interests, you can draw on these interests to perpetuate content.
Here are some things to think about when considering creating videos drawing on your talents and personal experiences:
What are your key strengths?
What are you known for?
What niche are you very good at?
Answering these key questions, then writing down these ideas should be extraordinarily helpful to you. I hope it helps. Ideas coming from within you are probably going to be the best source of content and will resonate best with your intended audience. I really encourage you to think about your own world you'd like to share with others.