What do you think about outro art for a story?

I'm in the very beginning stages of planning my next story. I'm doing an intro and outro menu. The outro menu is where there is a FAQ, check/buy points, and have the option to watch a bonus scene. What l am talking about is basically an art of the MC and LI (there's only one) during the outro scene. I've seen others do it (For example, Wicked Allurement by viper), and I think I should do one. The outro art would not be in the first episode, as the MC only have met the Ll in the first episode. The story is not in the romance genre, nor is it the main focus (it's in the action or fantasy genre). I'm still planning the story, so the amount of romance may change. Do you think that I should do an outro art for a story? I would commission an artist for this (and would credit them). I just want other's opinions.