Mawaru Penguindrum
What I thought I'd get: Some shaft-esque comedy series, but with penguins
What I got instead: Very interesting series plot wise, with the penguins as generally hilarious side element.
Mayo Chiki!
What I thought I'd get: Generic harem with dull characters besides the reverse trap.
What I got instead: A hilarious harem with the majority of the cast being interesting(only didn't care for one of the girls really) and it's silly if not over the top plots/arcs at time were great.
Nekogami Yaoyorozu and
Lotte no Omocha I definitely agree with the OP on
.