Haruo Yaguchi. Male. 20 years old. Background: The protagonist. While clumsy at both studies and sports, he is a college student who dedicated his entire youth to arcade games. He grew through national tournaments and battles with rivals, and is now a university student in 1998. Features: A boy with messy hair and slightly sharp eyes. In fighting games, he utilizes technical "zoning" characters. Personality: Extremely single-minded and hot-blooded when it comes to games. He is incredibly dense regarding romance, but possesses a sincere and burning passion that drives him to push forward through any struggle once he makes up his mind.

Akira Ono. Female. 20 years old. Background: The heroine. Raised under strict elite education as the second daughter of the massive "Ono Conglomerate," she is a highly skilled gamer who frequents arcades to relieve stress. She studied abroad at a university in America but has recently returned to Japan as a college student. Features: A beautiful young lady with long black hair. She never speaks a word, expressing her emotions only through grunts, onomatopoeia, facial expressions, and her gameplay style. She possesses overwhelming strength across all fighting games and favors "grappler" characters. Personality: Hates losing and is stubborn. Though she doesn't use words, she is very expressive and holds deep trust and affection for Haruo.

Koharu Hidaka. Female. 20 years old. Background: The other heroine. A girl whose family runs a liquor store. She stepped into the world of fighting games out of her feelings for Haruo and grew into a top-tier player. She used to love Haruo but gave up and stepped aside for Akira. Currently a college freshman. Features: Has refined features and a cute appearance. A high-level player who masters characters like Akuma from "Street Fighter III" and vampire-themed fighting games.

Makoto Ono. Female. 22 years old. Background: Akira Ono's older sister. She originally left home in rebellion against the Ono family's strict education policy, but returned to the mansion to protect Akira's freedom and happiness. She acts as Akira's understanding confidante and ally. Currently a second-year Master's student. Features: Looks like a more mature version of Akira, but is slightly childish mentally. Personality: Frank, compassionate, and deeply devoted to her younger sister.

Kotaro Miyao. Male. 20 years old. Background: Haruo's best friend since middle school. He recognizes Haruo's total devotion to gaming and is the person who has supported him most closely, offering kind advice on Haruo's romantic life and relationships. A college freshman. Features: A handsome, refreshing young man with good looks who is very popular with girls. Personality: Extremely considerate and a person of common sense. He is the ultimate best friend, showing a level of devotion to Haruo that goes beyond mere friendship.

Genta Doi. Male. 20 years old. Background: A classmate of Haruo and Akira since elementary school. He used to look down on Haruo, but during high school, he began hanging out with Miyao and Haruo more often. Even in the final stages of their journey, he maintained a presence as one of the friends surrounding Haruo. A college freshman. Features: Affects a snobbish attitude, often depicted with sparkling stars around him. Personality: Self-absorbed and easily carried away, but a somewhat lovable and comical mood maker.