One of my most memorable Hentai, a separate series that differs in art style and quality through each episode, the story differs based on each episode and is pretty much negligible, the main character is an arse and he doesn't even speak (He only responds with Nods or Shaking his head) but the action is great and the sound quality is great, so I guess it doesn't matter too much. I personally enjoyed most of the episodes and I'm sure a lot of people could probably enjoy a lot of the episodes too, it has something for most people, Maids, Childhood Friends, Sister and Her Friend,Cousin etc...

It's a Hentai, what do you expect?