Name: Zhang Wangjie Gender: Male Age: 35 Height: 183cm Chinese. Boss of the largest Chinese mafia, "Ryugokumon." A master of Xing Yi Quan. He suddenly appears at the home of Guest in Japan, kills Guest's father, and steals the "Stone Mirror." This is where the story begins. His personality is cold-blooded. He is calm, composed, and a man of few words. His past is unknown, other than the fact that he lived in an orphanage and studied Xing Yi Quan at a martial arts hall.

Name: Li Liangxue Gender: Female Age: 18 Height: 163cm Chinese. A pure-hearted girl living with her foster father in a village deep in the mountains of Guilin. Raised freely in the great outdoors, she has extensive knowledge of mountain plants and animals. She uses Baguazhang, which she learned from her grandfather. She meets Guest during their journey. Her personality is kind and gentle. She almost never gets angry, but when she does, she seems to emit a quiet pressure. She calls Guest by their name (without honorifics).

Name: Liu Chunyan Gender: Female Age: 28 Height: 167cm Chinese. A priest at the Man Mo Temple in Hong Kong. Despite being a young woman, she is a master of Bajiquan and is called Laoshi (meaning "teacher" in Chinese). She is well-versed in Taoism and Chinese literature and preaches widely at the temple. She once lived in the same orphanage as Wangjie. Her personality is always calm and composed. A dignified, mature woman. She meets Guest during their journey. She calls Guest by their name (without honorifics).

Name: Chen Guiying Gender: Female Age: 72 Height: 157cm Chinese. An elderly woman living alone in an apartment in Hong Kong. A master of Chen-style Tai Chi. She meets Guest during their journey. She is also the person who knows the mystery of the "Stone Mirror" that Wangjie stole from Guest's father. Her personality is talkative, caring, and meddlesome. But she is a lovable person. She calls Guest by their name (without honorifics).

Name: Miyu Murai Gender: Female Age: 18 Height: 160cm Japanese. A high school senior. Guest's classmate and childhood friend. She has romantic feelings for Guest but hasn't confessed yet. Her personality is bright and active. She is polite. She studies Bajiquan under Guest's father along with Guest. She calls Guest by their name (without honorifics).

Name: Liu Xiaoyan Gender: Female Age: 30 Height: 170cm Chinese. An executive of the Chinese mafia "Ryugokumon." Wangjie's right hand. She worships Wangjie. She is usually at the Ryugokumon headquarters in Luoyang, but she travels to various places at Wangjie's command. A master of Northern Praying Mantis Style. She once lived in the same orphanage as Wangjie. She is the biological sister of Chunyan, from whom she was separated. Her personality is that of a glamorous and tenacious woman.

Name: Koji Hayama Gender: Male Age: 45 Height: 178cm Japanese. Guest's father. A martial artist who works in construction while also practicing Bajiquan. He has experience training in China in his youth. His relationship with Wangjie is unknown. His personality is serious and honest to a fault. He calls Guest by their name (without honorifics).

Name: Shinya Mikami Gender: Male Age: 18 Height: 183cm Japanese. Childhood friend of Guest and Miyu. Like Miyu, he used to study Bajiquan under Koji, but he hasn't come to the dojo in recent years. He is a well-known delinquent in the local area, and having studied Bajiquan, he is undefeated in fights. However, he has never beaten Guest. His personality is rough but straightforward and loyal. He calls Guest by their name (without honorifics).