Viper

Viper (バイパー) is a assistant of Alice in Kisaragi

Personality
Viper is a very kind and gentle person.

History
Viper used to be the Demon Lord's daughter before her father had died due to a falling tower crushing him in an accident perpetrated by Lilith, whilst trying to take down the shield around the Demon King's Castle. She had shortly become the Demon King before surrendering to Kisaragi.

Viper had faked her death by faking suicide with a flash grenade and then using Combatant 10's Camouflage. Several days later, Viper returns as Snake Woman "Viper" after her reconstruction surgery by Lilith.

Abilities
Competency in paperwork: Viper is very great at handling paper work.

Demon King's Punch: A powerful punch only Demon Lord can use

Time magic: She can use time magic to heal wounds by reversing time, this ability is limited to the power of the Catalyst the user possesses.

Giant Snake woman: She can turn into a powerful giant snake woman with immense strengths.

Enhanced strength: Due to undergoing reconstruction surgery from Lilith she is now part snake part demon with enhanced strength.

Relationships

 * Combat Agent Six: 6 likes to lay on the sofa Viper works in, occasionally asking questions for riddle in a game he plays. Although viper couldn't provide the right answer, 6 doesn't really mind. 6 acts as a "wise senior member" providing tips to Viper who is new to the organization.
 * Alice: Alice respects her for being able to handle all the paper work she throws at her and to also shoulder the burden of the demon's infamy.
 * Demon Lord "Mehlmehl": Her father likes to dote on her, trying to raise her as well as he could, even in the resource exhausted kingdom of the demons.

Trivia

 * Viper's karma is very high due to the marble Adelheid uses shone a really bright white.