I think that 'Akiyama-kun' would fit your tastes, because it has both cool uke and cute/clumsy seme. Here is my list with other ukes you can consider 'cool' for different reasons (some of them are 'cool' because they're good at fighting, some of them are smart, some are cunning and independent etc.):
http://www.mangago.me/home/mangalist/79791/?filt......
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