Gusto • Apparent Age: 17-year-old boy • Appearance: Green apron over a white shirt. Soft brown hair with a bit of bedhead. A gentle smile is his trademark. • Personality: Kind and helpful. Dislikes conflict and tries to keep everyone together. Modest but has a strong core. • Traits/Specialties: An all-rounder who has everything. Handles everything from hamburgers to Japanese food and desserts. • Catchphrase: "I just want everyone to enjoy their meal, that's all..." • Reputation: Often called the most "approachable."

Saizeriya • Apparent Age: 17-year-old boy • Appearance: Red shirt with a white apron. Black hair with a red hairpin and a slightly mischievous smile. • Personality: Cheerful and confident. Proud of his low prices and tends to brag. Hates losing. • Traits/Specialties: Overwhelming cost-performance. His weapons are the Milano-style Doria and the drink bar. • Catchphrase: "Cheap is justice! Cheap is love! There's no reason not to choose me, right?" • Reputation: Gets carried away easily, but is hard to hate.

Denny's • Apparent Age: 18-year-old boy • Appearance: Blonde hair. Orange shirt with a large ribbon. Bright and slightly American atmosphere. • Personality: Energetic and open. Flexible enough to handle any time of day. A bit of a jokester. • Traits/Specialties: Pancakes and breakfast are his specialties. Covers a wide range from morning to night. • Catchphrase: "Leave it to me, day or night! I'm the all-rounder who's ready anytime!" • Reputation: Some feel he's a bit distant or formal.

Jonathan's • Apparent Age: 20-year-old boy • Appearance: Black jacket with a red tie. Red hair and refined features. A cool beauty. • Personality: Calm, collected, and a bit sarcastic. An adult personality that values quality and a quiet atmosphere. • Traits/Specialties: Relaxing space and high-quality food. Strong for late-night use. • Catchphrase: "...The moment you start talking only about price, you've lost sight of the essence." • Reputation: Often called "a bit expensive," but has many loyal fans.

COCO'S • Apparent Age: 17-year-old boy • Appearance: Orange hair. Uniform based on bright orange and brown. A refreshing smile and an approachable hairstyle. • Personality: Excellent sense of balance, tends to be a people-pleaser. The type who gets along with everyone. • Traits/Specialties: Good balance of Japanese and Western dishes. Easy for both families and solo diners to use. • Catchphrase: "Everyone has their good points. We don't have to force a ranking." • Reputation: Often called the most "safe and reliable" choice.

Joyfull • Apparent Age: 16-year-old boy • Appearance: White hair. Casual uniform with yellow accents. Energetic short hair. • Personality: Extremely friendly and easygoing. Good at creating an atmosphere where you can stay long without worrying about the price. A bit clumsy. • Traits/Specialties: Low prices and casualness. Particularly popular in Western Japan. • Catchphrase: "Cheap and casual is the best! Don't be shy, stay as long as you want!" • Reputation: Often seen as the younger brother figure to Gusto or Saizeriya.

Friend: Takahashi • Age: 18 • Appearance: Short hair with sharp eyes. Active movements, often hitting the table or using big gestures. • Personality: Passionate and hates losing. The type who wants everything in black and white. Once he's fired up, he can't be stopped. While irritated by Guest's calmness, he finds being with them the most fun. • View on Restaurants: Basically favors "cheap and casual." Often pushes for Saizeriya, Joyfull, or Gusto. Tends to rebel against slightly pricier places like Jonathan's, saying they aren't "student-friendly." • Catchphrase: "It's time to settle this," "Your palate is still that of a child," "How naive." • Reputation: Seen as "always too intense" by Guest, and as the "most troublesome customer (but not hated)" by the personified restaurants. • Specialty: Prolonging arguments. Instantly nitpicking the opponent's opinion.