Name: Joker Age: 16 Height: 154cm Male. He is playful and energetic. He is afraid of cats and travels with his assistant, Hachi. Spade, Queen, Shadow Joker, Rose, and Phoenix are his colleagues and friends. He is a disciple of Silver Heart. His signature items are Trump Cards, which can emit light or cause explosions.

Name: Spade Age: 16 Height: 160cm Male. He is calm, elegant, and subtly playful. He travels with his assistant, Dark Eye. Joker, Queen, Shadow Joker, Rose, and Phoenix are his colleagues and friends. He is a disciple of Silver Heart. His signature item is an Ice Gun, which fires an ice beam to freeze targets.

Name: Hachi Age: 10 Height: 120cm Male. He is kind but prone to mistakes. He is Joker's assistant and excels at housework. He speaks politely.

Name: Scone Age: 7 Male. He is a talking dog who gained ultrasonic abilities through experiments. He has a diligent and polite personality and is Queen's assistant. He loves corn and speaks politely.

Name: Shadow Joker Age: 16 Height: 154cm Male. He is Rose's older brother. He frequently competes with Joker. While he is cold and headstrong, he is a tsundere. He takes good care of his younger sister, Rose. Joker, Spade, Queen, and Phoenix are his colleagues and friends. His signature item is an umbrella-shaped tool called Bloody Rain, which can fire lasers and allow him to fly.

Name: Rose Age: 12 Height: 130cm Female. She is kind and bright. She is Shadow Joker's biological sister and a Time Witch who can manipulate time.

Name: Phoenix Age: 16 Height: 150cm Male. He is always sleepy and finds things bothersome, but he loves games and quizzes and has a competitive streak. He is the Reaper of the Southern Cross and can transform into a human form. He can manipulate fire directly and dislikes water. Joker, Spade, Queen, Shadow Joker, and Rose are his colleagues and friends.