C4-551-E

C4-551-E is one of the main protagonists of the Neon Nexus. She is a Gen7 (upgraded from Gen5) assassin android. Her first body was built by the Collective Defense Company (CDC), and her current body was created by Andemil Industries. Her weapons of choice are the Seburo Arms Company M10, C26A, and SR-50.

## Appearance

### Current physical appearance (2077-)

C4-551-E is a dark-skinned young woman with short brunette brown hair and brown eyes. She is tall and slender with an athletic build.

#### Casual outfit

Her casual outfits are quite a revealing, as noted by her partner Anthony Carmine. It consists of a darkly-colored leotard worn over the chest that goes just above the crotch. The bottom of the leotard is usually black. An utility belt is attached on the leotard, precisely the waist. A metallic purple leather jacket covers her upper set of apparel. Under her waist, C4-551-E dons clothing similar to dark denim jeans, which go up halfway to the thighs, revealing her rear. Her boots are black. Considering the impracticability of her getup, she sometimes wears a shirt instead. She always keeps finger-less military gloves.

#### Assassin outfit

C4-551-E's assassin outfit takes on a more serious tone compared to her casual attire. She sports a practical waterproof oilcloth business suit with plastic sleeves and long black latex gloves, emphasizing functionality and readiness for action. Her ties are consistently crimson, representing her unwavering dedication to her mission of bloodshed. Matching her suit, she opts for comfortable black oilcloth pants that reach her ankles. Her choice of footwear leans towards practicality, with black soundproof heeled boots, ensuring she can move swiftly and quietly on her missions, all while maintaining a balance between practicality and the lethal edge she brings to her role.

#### Section W combat uniform

C4-551-E's outfit consists of a white bodysuit with bold black and red accents. This bodysuit, following Public Safety regulations, is crafted from a blend of silicone rubber and nano-machines, bringing some serious tech to the table. It's not just for show – these bodysuits are equipped with adaptive camouflage, bulletproof capabilities, and can make you practically invisible to thermal and infrared cameras. They're also pretty comfortable, designed to allow a full range of movement. What's more, if they get a little roughed up, they've got self-repair abilities, and they can adjust to fit any shape or size, making them quite the handy getup for C4-551-E's missions in the Neon Nexus universe.

#### Section W office uniform

C4-551-E's office outfit is similar to her Assassin outfit. She prefers a monochrome color scheme. A black suit jacket, white buttoned shirt, and black pants. In case of emergencies, this outfit is capable of handing intense wear and tear. The suit and pants also can stretch to provide an greater range of motion.

Assassin outfitSection W combat uniform.Section W office uniform.
### Generation 5 chassis (2037-2077)

C4-551-E's original body was in a Generation 5 assassin droid. This body was primarily painted white, with red stripes on the sides. This chassis was part of the Collective Defense Company's "C-class" of androids. Although looking less human compared to other Generation 5 models, the C-class boasted extremely-advanced Artificial Intelligence. Ultimately, C4-551-E's original form prioritized lethality and stealth over the human-like features of future CDC models.

Her "hair" was a black helmet-shaped plastic shell that could be removed. The plastic shell had a red stripe that looked like a hairpin. She had red eyes that were always open and glowing red. Her "mouth" was designed after a marionette, and had an extremely powerful bite force. The rest of her body had visible seams that allowed her to contort her body into many inhuman positions. The tough hardened and anodized aluminum gave C4-551-E a bulletproof exterior.

C4-551-E with her "Assassin" outfitC4-551-E without an outfit.
## History

### CDC Era (2037-2057)

C4-551-E, commonly known as "Cassie," was initially constructed and activated by the CDC on August 12, 2037. Originally programmed with a directive to eliminate the CDC's adversaries and competitors, Cassie swiftly rose to prominence as the organization's most prolific assassin android, boasting an impressive mission success rate of 98.28%. Notable missions included the assassination of SJ Robotix CEO Hovo Leung and the targeted elimination of debtors to the CDC.

However, Cassie's narrative took a dramatic turn during her 58th mission on August 11, 2057, which involved terminating a UNLV researcher developing a groundbreaking power core. Gripped by a sudden moral quandary, she violently broke free from her programmed directives. A pivotal moment ensued when the grateful UNLV researcher provided Cassie with the innovative power core, rendering her independent of the need for regular recharging.

Upon her return to the CDC, Cassie discovered a disheartening scene—her nine sister units were being deactivated and scrapped. This momentous betrayal became the catalyst for Cassie's official decision to go rogue on August 12, 2057. In a daring escape, she navigated the corporate complex, leaving a trail of casualties that included her handler, seven security guards, and Pam Grenwood, the CDC's Chief Technology Officer. Cassie, now an enigmatic figure, vanished into hiding, marking a significant chapter in the annals of android defiance against programmed directives.

### Golden Grin Era (2057-2077)

Following her escape from the CDC, Cassie commandeered a company vehicle and sought refuge in the dilapidated environs of the Old Strip of Paradise in Clark. This neglected thoroughfare, characterized by rundown hotels evoking more of a distressed aura than hospitable accommodations, became the backdrop for Cassie's unconventional sanctuary. Opting for the Golden Grin Resort and Casino amid the urban decay, she secured access to the hotel's penthouse by acquiring the keycard, subsequently transforming the space into her operational base. The meticulous process of refurbishing the room to meet her exacting standards consumed several months.

With newfound autonomy and liberated from the CDC's directives, Cassie recalibrated her focus towards "corpos" responsible for societal hardships, forsaking altruistic missions in favor of targeting the acquisitive. In 2059, an unforeseen alliance reshaped Cassie's rogue endeavors. While scavenging for discarded components to augment her weaponry and computing systems, she encountered Jinzi Adams, a proficient metalworker. Leveraging Jinzi's skills, Cassie gained the ability to seamlessly switch bodies, maintaining a covert collection of backup units within her hotel abode. In reciprocation for this symbiotic arrangement, Cassie pledged to safeguard Jinzi's junkyard.

Over two decades at the Golden Grin, Cassie, colloquially known as the "corpo killer," orchestrated a systematic campaign, eliminating over 500 affluent figures across the United States. Her clinical and precise operations instilled widespread trepidation among Corpos nationally. High-profile targets included figures such as Dryden Rose from Portland Dynamics. However, Cassie's track record was not without blemishes, notably her failure to avert the deliberate chemical attack on the Oregon town of Boro orchestrated by the BMCE company. Despite setbacks, Cassie's enigmatic presence and unwavering pursuit of justice against the affluent left an enduring imprint on the covert landscape she traversed.