What are you talking about? There is no plot, just nudity. Three girls in a bath with a guy doing various ecchi things.
Crisp. The camera has a breast fixation, and yes they are nude almost the entire show.
The opening song was inane, I mean it, as inane as you can get. The rest of the sound was fine, nothing special.
Pretty much what you expect. One tsundere, one shy girl, and an emotionless maid.
No one could watch this show for any reason other than a bit of nudity and ecchiness.