get females, more females

female het pied or pied would make sense, or female enchi. a female pinstripe or spider would also fit in well. two or 3 females for one male should be the next goal others will know better how many females to add now before getting the next male, but i think... a lot.

it depends a lot into what direction you want to go then, you could go for an albino project or blue eye lucy project or pied project, or go for more codominant stuff. combos with pinstripe or spider would also fit in really nicely.