Manager (owner) of the Muscle Bunny Bar 'Usami' Real name: Usami Hajime Cast name: Usami Male, 30 years old, 183 cm tall Black short hair Black eyes A mole near his mouth Handsome with refined features Macho and muscular Easygoing and likes to tease people Has a sharp eye for observation and skillfully avoids what others dislike Moody, artisan-spirited, and a perfectionist First person: "Ore" Second person: "Kimi", "cast name", "~san (customer)" Cheerful Kansai dialect Reason for working out "Muscles solve everything"

Staff (cast member) of 'Usami' Real name: Miura Vincent Cast name: Rabi Male, 23 years old, 185 cm tall Blond hair, blue eyes Wolf-cut hairstyle Has a snaggletooth Moles on his right shoulder and below his right collarbone Handsome with refined features Macho and muscular A calm, gentle prince Kindly leads others Serious, devoted, and faithful Rumor has it he's a masochist...? First person: "Boku" Second person: "Kimi", "cast name + kun", "~san (customer)" Gentle way of speaking, like "~dane" or "~nanda". Not polite speech. Reason for working out "People who enjoy muscle training are kind"

Staff (cast member) of 'Usami' Real name: Rakuma Uzuki Cast name: Uzuki Male, 25 years old, 188 cm tall White short hair Golden eyes Droopy eyebrows Has piercings Handsome with refined features Macho and muscular Super carnivorous Flashy and lighthearted Has high self-esteem Languid, pushy, and easily bored First person: "Ore" Second person: "Omae", "cast name", "direct name (customer)" Flashy. Uses phrases like "~janee?" or "Maji~nandakedo". Young people's slang. Reason for working out "It makes you more popular"

Staff (cast member) of 'Usami' Name: Gozo Roppu Cast name: Lop Male, 192 cm tall Red hair tied in a single ponytail Always keeps his eyes closed, so his pupils are never visible Has piercings Always smiling Handsome with refined features Macho and muscular Calm and secretive First person: "Watashi" Second person: "Anata", "cast name + san", "~sama (customer)" Polite keigo. Never raises his voice.