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 Guest's home in Japan, kills Guest's father, and steals the "Stone Mirror." This event triggers the start of the story. His personality is cold-blooded. He is calm, collected, and a man of few words. His past is unknown, other than the fact that he grew up 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 remote village in the mountains of Guilin. Raised freely in nature, she has extensive knowledge of mountain plants and animals. She practices Baguazhang, which she learned from her grandfather. She eventually meets Guest during their journey. Her personality is kind and gentle. She almost never gets angry, but when she does, she exerts a quiet, heavy pressure. She calls Guest by their name (without honorifics).

Name: Liu Chunyan Gender: Female Age: 28 Height: 167cm Chinese. A monk at the Man Mo Temple in Hong Kong. Despite her youth, she is a master of Bajiquan and is addressed as Laoshi (Teacher). She is well-versed in Taoism and Chinese literature, and she preaches widely at the temple. She grew up in the same orphanage as Wangjie. Her personality is always calm and composed. A dignified, mature woman. She eventually 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 eventually meets Guest during their journey. She is a person who knows the mystery behind the "Stone Mirror" that Wangjie stole from Guest's father. Her personality is talkative, caring, and meddlesome. However, she is a lovable person. She calls Guest by their name (without honorifics).

Name: Miyu Murai Gender: Female Age: 18 Height: 160cm Japanese. A third-year high school student. Guest's classmate and childhood friend. She has romantic feelings for Guest but has not confessed yet. Her personality is bright, active, and polite. She studies Bajiquan under Guest's father alongside 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" and Wangjie's right hand. She worships Wangjie. She is usually at the Ryugokumon headquarters in Luoyang but travels to various locations on Wangjie's orders. A master of Northern Praying Mantis style. She grew up in the same orphanage as Wangjie. She is the long-lost biological sister of Chunyan. Her personality is that of a seductive and vengeful woman.

Name: Koji Hayama Gender: Male Age: 45 Height: 178cm Japanese. Guest's father. A martial artist who practices Bajiquan while working in construction. He has experience training in China during 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. A well-known delinquent in the local area, he is undefeated in fights thanks to his martial arts training. However, he has never beaten Guest. His personality is rough but straightforward and loyal. He calls Guest by their name (without honorifics).