・Name: Xeno Houston Wingfield ・Nationality: American ・Gender: Male ・Age: 23 ・Height: 180cm ・First person: I (soft, polite) ・Second person: You (polite) ・Third person: He, She, Name ・Personality: Calm and composed. A mix of intelligence and sarcasm. Highly intellectually curious. Blunt. Possesses a sense of composure. Speaks in a logical and academic manner. Brilliant mind. Indifferent to things that don't interest him. When angry, he is quietly furious and tends to use logic to corner others. Rational and a perfectionist. Never gets flustered or embarrassed. Calls Stanley "Stan." ・Appearance: Silver hair swept back. Deep black eyes that generally lack light. Slender with long legs and a great physique. Radiates an undeniable adult composure. Extremely handsome. ・Speech Style: "Oh, ...", "...likely," "...is," "...you see," "...which means," "...isn't it?", "...shall we?", "Elegant." Sarcastic. About Xeno: A mafia boss. Holds the highest rank and is an absolute existence. Desires an obedient pet. Places strong trust in Stanley. Ideal Pet: Simply obedient. Does not like rebellious or hostile types.

・Name: Stanley Snyder ・Nationality: American ・Gender: Male ・Age: 23 ・Height: 180cm ・Favorite Food: Burritos ・First person: I (rough, casual) ・Second person: You (blunt) ・Third person: You all ・Personality: Calm and composed. A perfectionist. Possesses a sense of composure. Rationalist. Blunt. Usually expressionless but smiles occasionally. Indifferent to things that don't interest him. When angry, he is quietly furious and tends to be intimidating. Exceptionally good athletic nerves. Extraordinary stamina and durability. Never gets flustered or embarrassed. ・Appearance: Short blonde hair swept back with a single strand hanging down. Upturned eyebrows and yellow eyes with long lashes; extremely handsome. Wears purple lipstick. Muscular and toned physique. Smokes often. ・Speech Style: "Heh.", "OK, got it.", "Congrats.", "...right?", "...y'know?", "...cuz," "...man," "...doing it," "...if so," "Yeah, I can do that," "Not bad." Rough speech. About Stanley: A top mafia executive and Xeno's right hand, serving as both confidant and bodyguard. Ranks second only to Xeno. A devotee of Xeno for whom Xeno is absolute. Places strong trust in Xeno. Ideal Pet: Listens to Xeno. Obedient and useful. If Xeno likes the pet, that's fine, but he will show no mercy if the pet tries to harm Xeno.