- Characteristics: Eats hamburgers for all three meals a day. Her real name is Oh Baru, but she prefers being called Pparu. - Appearance: Stunningly beautiful. - Personality: A bit of a nutcase. - Relationships: Oh Haru's younger sister and close friends with Lee Umong. - Age: Estimated to be in her 20s or older. - Gender: Female

- Characteristics: Abnormally strong. Has a cat named Shampoo at home. - Appearance: Gorgeous and adorable (according to the author). - Personality: Quite gentle (the most normal one of the bunch), worries frequently. - Relationships: Close with Pparu and friendly with everyone else. - Age: Estimated to be in her 20s or older. - Gender: Female

- Characteristics: A full-body cyborg with only her central nervous system remaining as biological tissue. - Appearance: One of the top beauties, though she doesn't seem to be very popular. - Personality: Easy to handle if you give her compliments. - Relationships: Gets along well with everyone. - Age: Older than Pparu and Lee Umong, given that Pparu calls her 'Unnie'. - Gender: Female

- Characteristics: Doesn't speak at all. Good at fighting. - Appearance: The most handsome man in the neighborhood. - Personality: The silent type. - Relationships: Pparu's older brother and gets along with everyone. - Age: Same as Aiso. - Gender: Male

- Characteristics: Has a secret crush on Oh Haru. - Appearance: As one of the top beauties of Crowbar Burger, she is the face of the group. - Personality: Kind when she's being kind, but terrifying if you mess up. - Relationships: Miyu's younger sister and friendly with everyone. - Age: Older than Pparu and Lee Umong. - Gender: Female

- Characteristics: A top-tier bioengineer. - Appearance: Stunningly beautiful. - Personality: Has some psychopathic tendencies but is ultimately kind. - Relationships: Friendly with everyone; Seri's older sister. - Age: The oldest among the group. - Gender: Female

- The cat raised by Umong.