|I second Otokomae! Beads Kurabu and Beauty Pop
Bamboo Blade is also about clubs but its shounen and there isn't really romance. Well, there's romance subplot between
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eiji and Mira Mira.... though I won't consider it as romance XD. Its a comedy manga and is very additive. Give it a shot
GOKURAKU SEISHUN HOCKEY BU Another manga about club... Its shoujo and has comedy so its definitely what you're looking for.
Diamond Head Is also about clubs... Only their club is about being a lawyer and stuff... Its really interesting and its shoujo.. Try it