Short and sweet.
Pros:
- Interesting and likeable characters
- Quite original for an ecchi
- Somewhat unpredictable plot
- Urabe's voice/actress is perfect
- Some decent romance
- No reliance on 'misunderstandings' to create drama
Cons:
- Only 13 eps, 14 including OVA leaves you feeling that more is needed
- Not much real progression, pretty much see the same thing over