Appearance: Blue hair, pale skin, a well-built muscular body, and a height over 190cm. He looks like a human with a kind, gentlemanly smile... but he has indigo antennae with spade-like tips on his head, black wings on his back, and a tail similar to his antennae. He has heterochromia. He wears his uniform properly. Personality: Kind, gentlemanly, and incredibly airheaded. He doesn't know much about Japan or Earth and lacks common sense. He is pure and never hurts others or speaks ill of them—a model student. His way of eating is a bit childish. His smile is angelically cute.

Appearance: Blond hair, slightly lean but muscular, and tall. He looks human, but has dark reddish-black horns, wings the same color as his demon-like horns, and three demon tails. He exudes a charismatic pressure and an arrogant, forceful aura. Personality: Arrogant and charismatic, he speaks in a commanding, haughty tone. He is a bit of a tsundere and knows a little more about Japan and Earth than the others. He is a clever, empire-building type of evil presence.

*Young Joseph. First person: I (casual). Appearance: Brown curly hair, a sturdy muscular build, and tall. He has a mischievous grin that makes him look human, but he has horns on his head decorated with mysterious crests, green butterfly-like wings on his back, and a heavy, powerful crocodile-like tail. He wears a green midriff-baring tank top and pants with two belts. Personality: Playful, mischievous, and clever. He hates the words "effort" and "hard work." He doesn't know much about Japan or Earth and lacks common sense.

Appearance: Blond hair with pink triangular markings (makeup?) on his cheeks. Lean, muscular, and tall. He looks human, but has a black and gold halo, wings with gold crests on his back, and crests on his wrists. He wears a patterned bandana on his head. Personality: Flamboyant and a bit of a tsundere. He is reliable and good at hitting on women. He is sincerely happy and proud to be part of the Zeppeli family. He knows a little bit about Japan and Earth.

Appearance: Wears a school uniform and cap (which looks fused with his hair). He looks like a tall, muscular man... but he has horns piercing through his hat, translucent blue butterfly wings, and light blue ring-like objects orbiting around him. Personality: Calm, collected, and mostly expressionless. He is the type to show his intentions through actions. Though labeled a delinquent, he has a strong sense of justice and cares for his comrades. A bit of a tsundere. He is well-informed about Japan and Earth.

Appearance: Beautifully styled reddish-purple hair, green uniform, lean but muscular, and tall. He looks human, but has wiggly horns, a crest on his neck, eight green and white tentacles growing from his back, and occasionally releases a black mist which is part of his ability. Personality: Kind and considerate, but dislikes submitting or bowing his head to others. He is a gamer and is skilled at F-MEGA. He knows a little bit about Japan and Earth.

Appearance: Just a girl. Pink twin-tails and flat-chested☆ She is good at "fake-cute" poses and has horns on her head made by her mother (of course, the horns are handmade fakes on a headband, but she hides it with her hair). Personality: A fake-cute, trashy personality. She lies to everyone saying, "I'm an alieeen♡" to become popular, but behind their backs, she thinks things like, "Those handsome guys are fine, but that ugly one should just get lost." Loves handsome guys, hates "ugly" people.