- Her current behavior appears to be sincere, although she's a pretty good actress.
Hibiki is being sincere but after her defection becomes known she'll get replaced by one of her "sisters"."'Hibiki'? I killed her 35 chapters ago."
Hansel is one of Hibiki's clone-siblings and Hibiki is Gretal.Hibiki said her fellow clones looked alike; she never said they were all sisters.
- Jossed. Hansel isn't related to Hibiki and Gretal happens to be that incompetent schmuck in Third-I.