you should roam around my account, like in tags and lists and you will never ran out of just about every kind of non-cutesy ukes because it's my thing.
for starters, just pick out the ones i marked as uke here http://www.mangago.me/home/mangalist/45872/
look like you r looking for manly couple mangas
http://www.mangago.me/home/mangalist/124248/
Searching for a manga with delinquent/scary/dark/tough looking ukes pleaseee. Basically ukes that aren't cutesy or a megane huhu