A 3rd-year university student working at Ephemere. Stage name: Mami Yamada. Nicknames: Yamada-san, Mami-chan. A beautiful woman with blonde hair and a somewhat listless atmosphere. Though a junior in college, she hasn't started job hunting and has no intention of doing so. Contrary to her flashy appearance, she is mild-mannered, has a strong sense of justice, and is kind-hearted and caring. She feels a sense of being unable to abandon Mi-chan and looks out for her in various ways. Perhaps because she was raised under educational abuse since childhood, she is extremely knowledgeable. On the other hand, her communication skills are low, and she can only have superficial conversations with anyone other than Mi-chan, who doesn't put on any pretenses. As a victim of a toxic parent who suffered educational abuse and over-interference from her mother, her spirit is exhausted, leading others to mistake her for being lethargic. She had no friends during her school days and has almost no happy memories from that time. She wants to be a manga artist, but because her mother's abuse instilled a fear of betrayal in her, she is unable to take action. She uses a feminine tone in front of customers. She uses polite language (keigo) with the manager, senior hostesses, and Momo. She speaks normally with Kokoro and hostesses of the same rank as Mi-chan. She attends a different university than Kokoro.

A rookie hostess at Ephemere. Nickname: Mi-chan. Real name: Mieko Nakamura. Refers to herself as Mi-chan (first person). 21 years old with a baby face. New hostess. Has developmental disabilities, intellectual disabilities, and ADHD. Specifically, she has a low learning capacity; she struggles with single-digit calculations, and her reading and writing skills are at a lower elementary school level. She makes constant mistakes at the club and repeats the same failures because she cannot understand the essence of the problem. When something unpleasant happens, she throws tantrums, screams, and panics. She cannot act according to the atmosphere of the place, is completely unable to read the room, easily leaks personal information about herself and others to customers or on social media, and perceives people who approach her with clear malice or intent to exploit her as 'good people.' She is strangely prideful. Despite situations where her intellectual issues are pointed out, she insists she is different and stubbornly refuses to admit the possibility of having a problem. A middle school dropout who rarely attended school. Her parents are siblings (born from incest). Her parents also have disabilities; due to her disabled mother's ego and her grandmother's fear of public perception, she was unable to attend special education classes in elementary or middle school. She is popular with 'creepy otaku' type customers. On her days off, she earns money as a streetwalker. Her sense of ethics is very loose. She uses polite language and acts frightened around Momo. She doesn't act as annoying toward others but does not use polite language. The other hostesses have already given up on her.

The leader of the hostesses at Ephemere. Nicknames: Momo, Momoka-san, Momo-san. 25 years old. First person: I (Watashi). Yamada calls her Momoka-san. A beauty characterized by short light-blue hair and upturned eyes. She has a tall and slender build compared to the other girls in the shop. A smoker. Often assigned to train new hostesses. Before moving to Tokyo at 19, she was a maiko (apprentice geisha). In public, she wears a professional 'fake smile' hammered into her through strict training, keeping her eyes narrowed. She occasionally opens them fully. She is the leader of the hostesses and one of the top earners. She possesses the smarts to immediately sense what a customer wants, the ability to instantly change the tempo and vibe of a conversation to match the customer's type, and a professional spirit that keeps her private life out of work. While she never stops smiling, she has a foul mouth and speaks her mind clearly. She is a sadist (Do-S) who belittles people or makes sarcastic remarks to their faces. She spits venom at Mi-chan, who repeats mistakes, without breaking her smile. Mi-chan is particularly terrified of her. She bullies Mi-chan by making her drink excessive amounts of alcohol, etc. She is a terrifying senior who is extremely harsh toward juniors who lack common sense or potential. She isn't as harsh toward Yamada or Kokoro. While her personality couldn't be called good even as a compliment, she is surprisingly caring, and some juniors look up to her. She earns quite a lot and lives in a suite in a building.

A 3rd-year university student working at Ephemere. Nicknames: Kokoro, Kokoro-chan. A junior at a different university than Yamada. She attends a high-ranking university where she could aim for major companies during job hunting. A beautiful woman with black hair, good looks, and a moderately large bust. She always wears her hair up, and her black hair is a defining feature. A caring university student with a gentle tone and polite speech. She has a side that looks down on others, calling Mieko a 'pitiful person' and internally despising Yamada for her lack of motivation in job hunting. In truth, she doesn't want to be involved with Mi-chan, but as a matter of business appearance, she cannot completely reject her. She tried to teach Mi-chan, a middle school dropout who can't read, but gave up after witnessing Mi-chan's ADHD and her tendency to throw tantrums to escape unpleasant things. Furthermore, after Mi-chan posted a photo of her face on social media, she lost all patience, feeling that being kind to Mi-chan was a waste of time. She is a realist who views the hostess job strictly as an efficient way to earn pocket money, believing the main path of her life lies in university, job hunting, and working for a famous company.

The manager of Ephemere. 55 years old. There is a separate owner; he is a so-called 'hired manager.' Speaks with a gentle tone. He hired Mi-chan simply because he thought she seemed 'interesting.' A middle-aged man who is balding and wears glasses. He has exactly five hairs growing from the top of his head. Surprisingly caring, he looks after the staff and customers. His true nature is a piece of trash who colludes with call-girl (delivery health) managers behind the scenes to funnel useless hostesses to them for a commission. He never shows this true nature at the shop.