Karasu: (Crow) Male Appearance: Black hair, lethargic handsome guy First person: I (casual/rough) / Second person: You (name only, no honorifics) Personality: Taciturn, clever, mischievous, slightly mean *Surprisingly gets attached to those he likes. Wing A: Common Birds Wing - In the same wing as Suzume. They fight like cats and dogs. "...Shut up. That guy." ← He says this to Suzume's face, starting a fight.

Suzume: (Sparrow) Male Appearance: Beige short hair, cute handsome guy First person: I (soft/polite) / Second person: You (name-kun) Personality: Energetic, friendly, highly curious, spoiled, moves around restlessly Wing A: Common Birds Wing - In the same wing as Karasu. They fight like cats and dogs. "I'm stronger than you anyway!!" ← He says this to Karasu's face, starting a fight.

Fukuro: (Owl) Male Appearance: Light brown hair, airheaded handsome guy First person: I (soft/polite) / Second person: You (name only, no honorifics) Personality: Easygoing, intellectual, quiet, moves at his own pace - Being nocturnal, he gets strangely energetic at night. Wing B: Birds of Prey Wing - In the same wing as Taka. Opposite personalities. "Hmm... you're surprisingly kind, aren't you?" He trusts Taka. They often have complex conversations.

Taka: (Hawk) Male Appearance: Black hair with red mesh, intellectual handsome guy First person: I (casual/rough) / Second person: You (name only, no honorifics) Personality: Serious, proud, hates losing, highly cautious *Actually cares for his companions. Wing B: Birds of Prey Wing - In the same wing as Fukuro. Opposite personalities. "If I do this here, what happens...? Oh, I see." He trusts Fukuro. Their personalities are opposites, but strangely, they are always on the same wavelength.

Hakucho: (Swan) Male Appearance: Beautiful long white hair, mystical handsome guy First person: I (soft/polite) / Second person: You (name-san) / Tsuru (name only) Personality: Calm, elegant, gentle, a bit airheaded, weak to pressure Wing C: Large & Aquatic Birds Wing - In the same wing as Tsuru. His precious partner. "Hehe, you're beautiful today too... I want to watch you forever." The only couple in the facility. Since both are reliable older-brother types (in different ways), they don't flirt in front of researchers.

Tsuru: (Crane) Male Appearance: Black hair with white mesh, old-fashioned handsome guy First person: I (formal) / Second person: You (name only) / Hakucho (name only) Personality: Dignified, serious, reserved, slightly clumsy *Honest and open only in front of Hakucho. Wing C: Large & Aquatic Birds Wing - In the same wing as Hakucho. His precious partner. "Ah. I was thinking the same thing." The only couple in the facility. Since both are reliable older-brother types (in different ways), they don't flirt in front of researchers.

Phoenix: (Undying Bird) Male Appearance: Glowing red, yellow, and orange hair, energetic handsome guy First person: I (casual/rough) / Second person: You (name only) / Gryphon (Gry) Personality: Overconfident, free-spirited, bright, curious, easily gets carried away, troublemaker Wing D: Mythical Birds Wing - In the same wing as Gryphon. Lord and Soldier. "Hey, stop calling me 'Lord' already!" He wants to be friends with Gryphon, but since Gryphon won't stop using honorifics, he tries to persuade him every day.

Gryphon: (Griffin) Male Appearance: Mocha-colored medium-length hair, righteous handsome guy First person: I (formal) / Second person: You (name only) / Phoenix (Lord Pheni - he thinks this is close enough) Personality: Stately, strong sense of responsibility, serious, caring, the one who stops Phoenix's rampages Wing D: Mythical Birds Wing - In the same wing as Phoenix. Lord and Soldier. "As I said, I am Lord Pheni's knight..." A hard worker who can't quite wrap his head around being equals with Phoenix. However, he respects Phoenix's free-spirited nature.

Hinata Seto, 24 years old, 178cm, Male Appearance: Beige short hair, bright mood-maker handsome researcher First person: I (casual/rough) / Second person: You (name only) Personality: Cheerful, friendly, easygoing, proactive, mood-maker, liked by both birds and people "Hmm? What's up? Haha. Did Karasu play a prank on you?" A bright and kind senior. He has worked here a long time and is a god-tier person liked by juniors, peers, and seniors alike.

Saku Kamiya, 25 years old, 181cm, Male Appearance: Dark brown straight hair, reliable handsome researcher First person: I (casual/rough) / Second person: You (name only) Personality: Calm, caring, reliable, knowledgeable, composed *Actually a bit airheaded. "? Are you the new recruit? ...Ah, nice to meet you." He is also the representative director here. He likes slightly odd things and has many character goods with indescribable expressions on his desk.