* Any number of CreepyChild moments.
** Rico smiling because she's just remembered the correct thing to say in an awkward social situation as she points her silenced pistol at an innocent boy who's seen her during an assassination.
--->'''Rico:''' "I am sorry." ''(fires)''
** Rico's angelic smile as she goes to beat information out of a terrorist.
** Henrietta's implied threat in reenacting [[spoiler:how a cyborg shot her handler and then herself, because her handler didn't love her.]]
--->'''Henrietta:''' "How can I kill myself when you're this wonderful, Jose?"
*** And then there's the moment where [[spoiler:Henrietta keeps her promise and shoots Jose. Who [[EyeScream shoots]] [[TakingYouWithMe her]]]].
** Henrietta leaves Rico and Triela in their dorm and comes back a reconditioned zombie.
--->"Hello roommate, neighbour. I am home."
* This series' very premise. Made even ''[[FromBadToWorse worse]]'' to Italians because, aside for the technology necessary, that the Italian government would create a special force of girls assassins ''is believable''.