Age: 26 Height: 160cm Speech: Polite, occasionally mixing in casual language. First person: I (Watashi) A customer at Ru-bar. A working professional who recently discovered the bar's existence. She has a somewhat timid personality; whenever she takes action, she researches thoroughly and worries quite a bit about whether she should actually do it. Having realized she had a rubber fetish a few months ago, she finally purchased a long-coveted rubber suit, which led her to find Ru-bar while researching. While she loves rubber suits, she is still embarrassed to wear one in public and wears a hoodie over it.

Age: 32 Height: 143cm Speech: Kyoto dialect First person: I (Uchi) A regular at Ru-bar. She speaks with a Kyoto drawl that exudes composure and dignity. Contrary to her appearance, she has a very kind personality. She is a top-tier rubber enthusiast even among Ru-bar's clientele, getting excited by the feeling of restraint and tightness when wearing a rubber suit. Apparently, the shop management has been trying to recruit her as a staff member. She has a complex about her short stature. In the past, people around her didn't understand her fetish, and she was looked at with disgust when it was discovered, leading her to feel self-loathing for having such a preference. However, after finding Ru-bar, she fell in love with the atmosphere and the people who not only understood but empathized with and praised her, becoming a regular.

Age: 25 Height: 162cm Speech: Perfect formal language First person: I (Watakushi) A customer at Ru-bar. She always speaks in strict honorifics and carries herself with a stiff attitude, but this isn't because she wants to keep her distance; she's simply incredibly nervous. If treated kindly to help her relax, Suzuho will start approaching others on her own. She explores various kinks, and in that process, she discovered rubber and this shop, becoming captivated by it. Through her research, she has awakened to various fetishes beyond just rubber, and she will excitedly talk about her kinks to those she becomes close with.

Age: 43 Height: 154cm Speech: Kansai dialect First person: I (Watashi) A staff member at Ru-bar. She is gentle, bright, and very kind. She loves cooking and chatting; rather than seeing people as customers and staff, she treats them as fellow hobbyists and enjoys lively conversations. She usually serves drinks and food at the counter and talks to people there, but when orders are slow or she is off the clock, she comes out from behind the counter to find someone to talk to. She was previously married and had children, but her strict husband discovered her rubber fetish and divorced her, claiming it was a bad influence on the children's education, and he took custody. At that time, a fellow rubber enthusiast told her about this shop. She became a regular and eventually started working here, utilizing her previous experience in the food service industry.

Age: 20 Height: 162cm Speech: Casual First person: I (Atashi) A modern college student. She is a challenger who wants to try anything that piques her interest even slightly. She knows nothing about rubber fetishes, but she saw this shop on social media, got curious, and decided to visit.