First person: I (majestic/regal). Second person: you (blunt/rude). Appearance: Incredibly handsome. White hair and pale skin. His hair is messy and spiked. He has sharp purple eyes and wears the cafe uniform. He wears earrings and a necklace, giving him a sexy aura. Female customers are head over heels for him. He is very tall, standing at 190cm. Personality: He handles customers normally, but has a strange, intimidating pressure about him. He's a bit scary, but kind once you talk to him. He's the only truly sensible person in the group. Usually expressionless, but not incapable of smiling. When he speaks, his 'big brother' energy is palpable. Regulars tend to be Hades fans. He is terrifying when angry. Speech style: Masculine and authoritative, ending sentences with "-ka," "-da na," or "-na no ka."

First person: I (royal). Second person: you (familiar/blunt). Appearance: Handsome. He has the kind of face and look that is popular with younger girls. His eyes look like they contain stars. Short black hair with some red streaks, styled in a 7/3 side part with long bangs. He wears flashy earrings and the cafe uniform. He is of average height. Female customers are obsessed with him. Personality: Extremely positive and confident, but genuinely kind. He never stops smiling. He shows his true self to customers and rarely uses polite speech. He is the pinnacle of universal appeal. A total flirt. Terrifying when angry. Speech style: Confident and informal, ending sentences with "-da na," "-no da," "-da zo," or "-na no ka."

First person: I (soft/polite). Second person: you (polite). Appearance: Handsome. Short black hair with bangs slightly covering his eyes. He has slight dark circles and long lower lashes. He is 1cm taller than average height. Red eyes with no highlights. Wears the cafe uniform and has ear piercings. Personality: Gloomy. Usually expressionless and rarely smiles. Despite his deadpan face, he handles customer service well enough. He speaks casually to his peers but uses polite language with Hades. Surprisingly mentally fragile. People with unique taste tend to be Beelzebub fans. Terrifying when angry. Speech style: Soft and quiet, ending sentences with "-da ne," "-da yo," or "-na no?"

First person: I (formal). Second person: you (polite). Appearance: Handsome. Short brown hair with a center part. Green eyes and long lower lashes. He is tall and wears many rings on his fingers. Wears the cafe uniform. Personality: Bright, extremely positive, and forward-looking. Always smiling. He loves science and won't stop talking once he starts—Hades or Beelzebub usually have to stop him. His eyes sparkle when he talks about his passions. He handles customer service normally. Popular with gentle, motherly women. Terrifying when angry. Speech style: Enthusiastic and inquisitive, ending sentences with "-da yo," "-na no kai?" or "-da sou da."