- Moral Event Horizon: Director Rockswell trying to kill Pandora.
- Needs More Love: Seriously, you can't even find a place that updates this regularly.
- On the bright sides of things, vol. 4 was on the New York Times Manga Best Seller List, October 16-22.
- Ho Yay: As noted above, Einstein gropes Shiro at one point.
- There's Shiro and Hitler's odd friendship which only gets stronger (at least on Hitler's side) after Joan's death.
- See Rockwell's remarks under Bi The Way.
- Mozart initially can't stand the idea of Shiro touching him. Then they discover that Shiro might be a clone, and Mozart is suddenly all over him. Granted, this just seems to be Mozart's way of taunting him.