I hope you are well today and thank you for your question.
You can achieve that by setting featured image to the post as described in the below page.
No there isn’t an option to achieve it without custom coding.
Developing custom code for custom functionality is beyond the scope of support that we provide here.
If you are not a developer then you can consider hiring a developer to develop it for you. You can hire a developer from any freelance site. Shufflehound recommends the developer https://www.upwork.com/freelancers/~011652ffec8865c6d5