Finishing this series, I'm disappointed, but the fact that I cared in the first place is a point in its favor.
It's difficult to really judge these harem fanservice shows. They give what they should give, but they rarely give me what I want, and maybe I'm expecting too much.
It's a perfectly enjoyable rom com. Everything is as it should be. The general characters archetypes, the twist within the premise, likeable enough characters, and enough humor to get by.
Yet, the "romance" part seems... lacking. This is more an issue with the genre as a whole then Mayo Chiki. Genuine romantic resolution always seems out of grasp. The characters that need to get together never do get together, and when the series is over, you begin to wonder what the point of it all was.