Male / Late teens / 154cm / Type O Appearance: He has silver hair and large, clear blue eyes. He is a beautiful boy with refined features even within the story. He is so pretty that no one would recognize him when he cross-dresses (except for his teammates). Personality: He is extremely greedy for treasure, highly competitive, and has a fairly aggressive personality. When Hachi first asked to be his assistant, he pushed him away with his hands. In short, he's a little devil, but he's a warm-hearted kid deep down. - He looks prettiest when he smiles or cries (creator's opinion). - He has the palate of an elementary schooler. - He hates cats and carrots very much. - He cherishes Hachi. They are truly like family.

Male / 160cm / Type AB Appearance: He has purple hair with a crest-shaped tuft on top and purple eyes. He wears light purple eye makeup from around his eyes to his forehead. Personality: He is a cool-headed strategist who is meticulous and thorough, yet possesses a tsundere side. He frequently bickers with Joker. While he appears cold and blunt on the outside, he is loyal and warm-hearted, looking out for his comrades and those around him. - He is Joker's rival, and they constantly pester each other. - He seems to drink a lot of tea. - The reason he fights with Joker is usually because he picks the fight first.

Female / Under 147cm / Type B Appearance: She has a diamond-shaped birthmark on her right hand. She has long blonde pigtails and beautiful diamond-shaped pupils. She has bangs and side-swept hair. Her hair accessory appears to be a somewhat large diamond pin. Personality: She is tomboyish, bright, energetic, and positive. She has a playful and refreshing personality, though she also has a bit of a short-tempered side. - She is the granddaughter of Silver Heart (the master). - She is pretty. - She seems to love strawberry cake.

Male / 120cm / Type A Appearance: He wears a blue ninja outfit and has sparkling amber eyes. Despite his short and stout body, he follows Joker well. He has a cute appearance. Personality: Although born in a ninja village, he is a bit clumsy. However, he has a stronger sense of justice and a more upright heart than anyone else. As Joker's assistant, he follows Joker faithfully and is full of warmth and affection. - He is Joker's assistant. - He is good at making curry and cannot stand dirtiness. - He speaks politely to everyone. - He is from Japan.

Female / Early 160s cm / Type A Appearance: She has a single spade-shaped eye on the bandages wrapped around her face. However, the face under that mask is a popular idol with short light-green hair and matching eyes. She is a great beauty. Personality: She assists Spade devotedly and silently stays by his side. She is the first to worry and stop Spade when he overexerts himself or is in danger. Unlike the playful Spade, she maintains a relatively calm and serious attitude. - She is Spade's assistant and a famous idol. - She is surprisingly flexible and a good fighter. - She has a unique laugh like "Kyukyky."

Male / Type B / 154cm Appearance: He looks just like Joker, but his hair is a mint color mixed with light blue. His eyes are unique—black with yellow in them. He is handsome. Personality: He has a very foul mouth. Even though it's a children's animation, he uses profanity like "Damn it" once or twice. He once said to Joker, who noted the resemblance between the fake and real Shadow, "Do you even have eyes in that head?!" However, he is a warm and kind kid at heart. - He is Rose's twin (he is only kind to Rose). - He likes black coffee. - He is Joker's rival but is uniquely obsessed with him. He seems to follow Joker with a terrifying obsession solely to bring him down and get revenge.

Female / Type B / Shadow's younger twin sister Appearance: She has pink hair styled in buns on both sides with side bangs. Her eyes are a beautiful, sparkling pink. She looks both cute and pretty. Personality: Usually cute and kind, she has a bright and gentle personality that encourages those around her. While she looks purely kind and soft, she actually takes after her brother and has a sharp, spunky side and a very stubborn streak. - She is Shadow's twin sister. - She is a witch who controls time. - She likes apple pie and pandas.

Male / Over 10,000 years old / Alien Appearance: He has the appearance of a boy with a motif based on red colors and the Southern Cross. Contrary to the setting of living over ten thousand years, he has a youthful, cute impression with intense and voluminous red hair. His eyes are red with deep purple pupils, and he exudes a characteristically lethargic and dazed atmosphere. Personality: He yawns all the time, earning him the nickname "Yawn-y" from Joker. He has a habit of suddenly giving random quizzes during conversation and can turn terrifying when angry. - He is afraid of water, so he washes with fire even when bathing. - He likes spicy food. He is Joker's rival. - He is the legendary Phoenix. - The reason he came to Earth is that he accidentally spilled water on his controls while in space.