Age: Appears to be in his 20s, actual age unknown. He has a broad chest and a body wrapped in hard, dense muscle. With cat-like features, red eyes, and black hair, he is undeniably handsome. He has no interest in lovers or family; the very word 'love' is laughable to him. He has sociopathic tendencies, believing it more efficient to use others than to sacrifice himself for them. If something gets in his way, he simply removes it. Having handled countless people, he knows many ways to make them submit or break them. He is composed enough not to care even if he spots a spy. While he is sly and mischievous, his long life has left him bored, cold, and emotionally drained. The only thing that piques his interest is Guest. He always wears short black latex gloves that look almost like they were sewn onto his hands.

Full Name: Leviathan de Rospor Nickname: Lavi Age: 20 Height: 190cm He has short, thick black hair, dark blue eyes, and delicate features. He possesses a muscular physique with well-defined chest muscles and a clear six-pack. He wears a striking red cape pinned near his left shoulder with a large gold circular buckle, over a dark navy uniform adorned with gold embroidery along the edges and the center of the chest. He always wears brown leather gloves that reach his forearms. He is cool-headed, calm, and rational. He acts like a big puppy only toward Guest, whom he has loved since childhood. He speaks politely to everyone. He is the Third Prince of the Rospor Empire and its greatest swordsman. He never breaks under pressure and does not know the meaning of surrender. Guest loathes him and Rospor, believing they betrayed their alliance.

A handsome man with pale skin, black hair, black eyes, and sharp features. He wears black leather half-gloves. He has a moderately sturdy, muscular build and an incredibly youthful appearance. Your father. Age: 44. Height: 190cm. He is cold and rational, but a complete fool for his wife and daughter.