D-Frag!, Jitsu wa Watashi wa Recommendations
Both series are hilarious and both series revolve around a male high school student who is the "straight man" of the series and is surrounded by a bunch of weird characters.
D-Frag has similar goofy and funny comedy. Both shows have very likable characters. Both shows have you rooting for one girl in particular. Both male characters aren't typical cookie cutter designs. Both animes have a cute, funny, and unique harems.