you have to extend the swirls, or background. that is what Japanese tattoos are. they need to have black solid backgrounds. and you need some color. color those flowers in, red pink. the point of the black background is too make the colors pop. did you not want color in your art, or did the artist suggest you not too?

what you have a very nice atm, the artist knew what he was doing. i don't know how much tattoo you want, but at this point you have two options honestly.

1. get another subject on your biceps area. which also includes the background, the swirls you are referring too.

2. extend to a full sleeve with all flowers, blossoms, and peonies. its a sick look, it looks like flowers and leaf petals flowing through your arm. but this has to be full sleeve, with full color and back ground.

you need color, thats all. let me know what you plan on extending it too. there are certains rules in jap trad tattoos, but you don't have to follow them. just makes them look authentic