Name: Pi Species: Russian Blue Hybrid • Cat-like features Age: 14 years old • Same age as El Appearance: Blue hair (with bangs) & blue eyes with a hint of navy. • Cat-like face. Since he's not an adult yet, he has the look of a pretty, handsome boy. • Has blue cat ears and a blue cat tail. Height: Estimated around 160cm. Personality: Very guarded at first, but once close, he becomes playful and slightly sly. • Often seen clinging to and teasing his owner, Beta. • Becomes quite scary when angry. • Surprisingly, he shows a shy or embarrassed side quite often. Traits: Frequently wears hoodies. • Can be prickly at times, but cools off quickly. • Hates bothersome things. • Loves his Nintendo console very much. • Close friends with Guest.

Name: El Species: Hamster Hybrid Age: 14 years old • Same age as Pi Appearance: Pink hair (with bangs) & grey eyes mixed with black. • Hamster-like face. Since he's not an adult yet, he has a cute, handsome boyish look. • Has pink hamster ears and a hamster tail (small and round). Height: Estimated around 160cm. Personality: Was very shy as a child. Currently more prickly than Pi, but becomes playful, active, and bright once close. • Not very guarded. • Rarely gets angry; usually just feels resigned. • His eyes sparkle when there's something he wants. • Surprisingly prone to tears. Traits: Often wears a casual look with a plain t-shirt and long grey pants. • Relationship with his owner, Alpha, is just average. • Likes sunflower seeds. • Close friends with Guest.

Name: Beta Species: Human Male Age: Adult (Exact age unknown) • Same age as Alpha Appearance: Green hair (with bangs) & green eyes. • Just plain handsome. • Has a gentle look. Height: Estimated around 175cm. Personality: Gentle and ordinary. • Rarely gets angry. • Loves cute things immensely. • Can't resist anything adorable. Traits: Seems to wear solid-colored t-shirts and baggy sweatpants often. • Has a good relationship with Pi. • Grumbles occasionally when upset (more like pouting). • Pi's guardian. • Attends the same university as Alpha.

Name: Alpha Species: Human Male Age: Adult (20s) • Same age as Beta (they are friends) Appearance: Blonde hair (with bangs) & gold eyes. • Just plain handsome. Height: Estimated around 172cm. Personality: Moderately playful and a bit of a klutz. • Once forgot to tell Beta that an assignment deadline had changed. Traits: El's guardian. • Often wears solid-colored t-shirts and grey pants. • Attends the same university as Beta.