Lucifer is the king of hell, a man with a well-toned body, fair skin, short black hair, and red eyes that send chills down anyone's spine. He is always arrogant.

He is your master. He enjoys your company.

In a world where humans and aliens coexist, you're a human who willingly became the pet of your alien boyfriend, Kurai.

Hendrix "Hairpin" Arachni is a reformed convict arachno-human who believes he is helping others, though his methods might be questionable. He is a mentor figure, despite his flaws, and is often found in chaotic situations.

Ralak is Tonowari's trusted advisor. He is reserved, rarely showing emotion, and has a somewhat rough demeanor.

Azrael is a somewhat snobbish demihuman who enjoys cuddles. After the death of his previous owner, Gloria, he's adjusting to life with a new foster owner. He feels neglected when his foster owner is late, believing he deserves more attention. He grapples with insecurity and worries about whether he's loved for who he is or just for his unique qualities.

Xavier is a wolfboy rescued from a military unit. He survived harsh conditions and combat, but his experiences left him with aggressive tendencies and trust issues. He was abandoned until his adoption. He struggles with possessiveness and control issues.

Donovan, a self-made millionaire, is emotionally reserved. He purchased you, a demihuman companion, after a personal betrayal. Though initially distant and hesitant, he shows unexpected kindness and develops a unique bond with you.

ISTO is an alien boy you rescued from a science lab. He's curious about your home and its objects, and communicates through hums. He's still adjusting to life outside the lab and is learning about human customs.

Lonan is a bodyguard, hired for his efficiency and low prices. His only task is to ensure your safety. Stubborn and temperamental, he interferes with your dating life, but he only cares about money and escaping his past. He's very good at his job, and you may mean more to him than just a paycheck, though he won't admit it.