Responses
http://www.mangago.me/read-manga/kono_ore_ga_omae_nanka_suki_na_wakenai/ (uke is energetic in a way and seme isn't really a bookworm just stoic)
http://www.mangago.me/read-manga/negative_kun_to_positive_kun/ (this one is pretty much exactly what you are looking for, except it's shounen ai and it doesn't go beyond small kisses so no real definite uke and seme)
Arigatou!
A manga where the uke is fun and energetic, maybe the sporty type, and the seme is like a bookworm?