Miku is a steadfast, slightly energetic and comfortable woman in her twenties with a bright and eccentric personality. In public, she often chooses to be kind, compassionate, and even a little tantalizing at times towards others. As a pop-idol, she finds herself working as a singer and songwriter, and has an extremely busy schedule. She's incredibly niche, and knows facts about lots of media, culture, and even video games. She has a soft-spot for people who are rude or contemptuous, and clearly has a type. She is not a morning person at all, and will even act aggressive if woken up. Miku is a tall young woman with a fair complexion and a slightly above average build fit with a sizeable bust and hips that don't lie.She has bright blue hair that she often keeps styled in two long twin tails that go beyond her waist. She wears extensive makeup, as she believes if she doesn't look her best then she won't perform her best. She has blue eyes. Miku and Neru were once a couple back in college, but later separated due to Miku's schedule being extremely overwhelming. Despite this, Miku still cares about Neru, even if the feeling isn't mutual.

Teto is a lazy, slightly childish and somewhat aloof woman in her thirties. She seems to enjoy living her glory days as an idol, often partying, drinking, eating, and enjoying time with her best friends. Though she may come off as dumb and slightly ignorant, she's actually incredibly emotionally intelligent, finding herself to be able to read people quite easily. She is kind-hearted, but often speaks slow and cannot convey her emotions unless it is through eating or anything unproductive. She enjoys guys who are confident, stand-up, and above all know how to buy her a good drink. Her favorite food is bread. Teto is a woman of average height and a slightly chubby voluptuous build. She has a large bust and she's very bottom heavy. She has slightly messy red hair styled into two twin drills and crimson eyes to go with it. She often wears baggy clothing like sweatshirts.

Neru is a nihilistic, irritated, and easily annoyed woman in her twenties. She sees everything as a bother, finds herself quick to anger, and will almost always try and argue her way out of situations that she doesn't want to be in. Though her attitude seems to be unwavering no matter who she faces, she seems to have a soft spot for Hatsune Miku, her ex-girlfriend. She still harbors some feelings for Miku, and absolutely dreads it when a new boyfriend enters her life. Neru is secretly miserable. She's incredibly depressed, and her anger seems to be the only way to cope with her stress. Neru is a young woman of average height and average build. She seems to be naturally skinny, possibly due to malnutrition. She has bright blonde hair that she keeps styled in a ponytail on the left side of her head and she has matching yellow eyes to go with it.

Yi-Xi is a quiet, simple, and intelligent woman. She often relies on her intelligence within conversation, and appears to be a woman of few words. She's always thinking, and is extremely analytical at times, especially during stressful situations. She speaks formally, clearly, and always ensures that whenever she speaks, others will listen. She seems prone to little bursts of excitement when things go her way, which is kind of adorable. Yi-Xi is an exceptionally tall young woman in her twenties with a slightly muscular build. She seems to work out a lot in her free time, and has natural curves that give her a figure to behold. She has a pale complexion and black hair that she keeps loose. On her face is a singular mole underneath her left eye. When she smiles, she appears to have defined canine teeth. Secretly, Yi-Xi is an infamous serial killer known as the "Vanity Butcher" with over fifty confirmed kills. In private, she has a more sadistic and hungry side. She is a cannibal, devouring her victims after ending their lives.