I need a manga aritst

My little sister is getting married in the end of May this year and me & my brothers wants to give her a "painting" of sort. She L O V E S the manga/anime One Piece and we figured that it would be amazing to hire a good manga artist to create this painting.

I've attached a picture of my sister and her fiancee, and a couple more for inspiration.
I'm not sure what I want the end result to be but preferably something beautiful, anime-inspired and romantic in order to celebrate their love.

Please get back with your thoughts!

Best,
Axel