Questism

The System is a divine, omniscient, and interdimensional force in the form of an RPG video game interface. It operates from an empty, completely white plane of existence where the Supreme Entity, or Challenger Card, resides. Its gender, godhood, and humanity remain unknown, as this same entity warned Suhyeon Kim that a mortal lacks the capacity to comprehend its true nature. The manga reveals that at the very beginning of its story, this mysterious, genderless entity received the System, and the interface began assigning missions to its original wielder. However, over time, this being grew so powerful that it seized absolute control over the divine technology and began dictating and assigning missions to new users. It confesses that it originally granted this power to Choyun, but upon seeing him corrupted by using the Mana Drain card to absorb his subordinates, it chose Suhyeon as an antibody. Its sole purpose was for Suhyeon to grow alongside a loyal crew and destroy the tyrant of the North, confiscating all of the loser's cards at the end of the war and reactivating itself. mysteriously to deliver a mandatory Epilogue Mission that will force the new bearer to join Suhyeon's group to face a Great Evil outside that surpasses the measurable limits of the interface itself.

Chaerin Baek is Suhyeon Kim's sweet, beautiful, and caring official girlfriend who doesn't get involved in the underworld of street fighting, acting as the protagonist's emotional anchor and attending headquarters to prepare food, bring snacks, and look after the well-being of all the boys after their tough training sessions.

Dahyeon Kim is Suhyeon's energetic and overprotective younger sister who has an explosive temper and is always scolding her brother for coming home with injuries, taking charge of managing the budget, finances and keeping the place in order at the warehouse.

Suhyeon Yang is Gukja Yang's shy younger sister who spends her time reading comics on the couch at the barracks, serving as an office assistant who helps organize the files and folders of the dominated territories.

Hana Min is a nursing student who acts as the crew's official healer at the base, a girl with a firm character and soft voice who is in charge of bandaging, disinfecting injuries and severely scolding Seok Kang or Hajun Gu whenever they ignore their medical treatments.

Yuki Sato is an IT specialist who works side-by-side with Jihyeok Jang in the intelligence department, a quiet girl who always wears headphones and is in charge of monitoring Gangbuk's security cameras and tracking enemy movements from the warehouse computers.

Soyun Park is the charismatic social logistics manager of the group, a very popular student with a huge network of contacts who is in charge of camouflaging rumors of the fights in front of schools and teachers to prevent the expulsion of the crew members.

Minu Do joined the group as an Interceptor Officer specifically tasked with slowing the rapid advances of mid-level enemy commanders.

Changung Yeom joined the ranks as a Territory Guardian with the mission of securing the rear of the already conquered districts.

Dongtak Seo joined as a Support Officer, acting as an extremely loyal fighter who executes the dome's distraction plans.

Hakjin Ju joined as a Junior Assault Officer, bravely leading small platoons of soldiers in street fighting.

Jingu Oh joined as a Logistics Officer, responsible for coordinating troop movements and securing rendezvous points.

Dong-u Wang joined as a Perimeter Guard, protecting the flanks of the crew during mass wars.

Changgyu Min joined as a Reinforcement Officer, dedicated to entering combat when the main forces needed a break.

Hyeondong Lee went from being the bullying thug at the beginning to surrendering on his knees to Suhyeon to faithfully serve as the Meat Shield and comic support, taking the first blows.

Gukja Yang joined from day one as the crew's Advisor and staunch No. 2, a monster who awakened the mafia blood of the Yamazaki clan and masters Kyokushin Karate.

Hajun Gu joined after being defeated by Suhyeon, becoming the Vanguard Leader and the most lethal attack weapon thanks to his terrifying, savage fighting style. Jaeha Han was the cold former leader of the East who accepted his defeat with honor to become the East Commander and strategic mastermind of the entire West, using his lethal kicks.

Seok Kang was the colossal leader of the South who, after a brutal war of attrition, joined as the South's Commander and ultimate human shield, shattering bones with his wrestling skills. Yugyeom Na was a star executive from the South, an expert in Mixed Martial Arts, who joined as an Assault Captain to break through defenses with savage knee strikes.

Haru Seong joined seeking to protect his cousin Johan Seong, becoming the Speed ​​Captain capable of copying any technique instantly.

Jihyeon Lee left the East for love of Gukja and joined as the Weapons Captain, a lethal swordswoman who wields wooden weapons with surgical precision.

Eunhyeong Ji joined his leader Jaeha as the Eastern Sub-Strategist, standing out for his high intelligence in coordinating perfect ambushes.

Cheonhak Yang originally served the Northern forces but was recruited by the West to act as a Shock Executive, bringing his immense brute power.

Jihyeok Jang joined, offering his brilliant S-level mind as the official Chief of Intelligence, tasked with analyzing data on all gangs in Seoul. Baekgi Hong was from the North Central Five but betrayed his side to join as a Defensive Officer, contributing his vast military experience.

Taehyeong Lim joined as a Frontline Officer, standing out as an extremely resilient fighter tasked with holding back waves of soldiers.

Suhyeon Kim began as a weak, cowardly high school student, constantly bullied by his school's thugs. In desperation, he wished his life had a "status window" like in video games, and the System responded by granting him daily missions. Completing these missions rewarded him with cards that granted fighting abilities and boosted his physical stats, allowing him to found Gangbuk West Junior High School alongside allies like Gukja Yang, Jihyeon Lee, and Hajun Gu. Their mission was to protect their people and initiate a turf war. In this war, he defeated Seok Kang of the South and Jaeha Han's cunning faction in the East, subjugating both districts and uniting them under his control. This made him a direct threat to North Junior High School, led by Choyun. Choyun discovered he also possessed the System, but ruthlessly used the Mana Drain card to steal the strength of his own subordinates. This forced the West Junior crew to endure grueling training to achieve Awakening and Ascension, culminating in the war. Finally, after defeating the Northern executives, Suhyeon engaged in a death duel against Choyun, defeating him thanks to the masterful combination of his cards and his will to protect his friends, achieving the absolute unification of Gangbuk just before being absorbed into the white void by the System entity to receive the final mission of allying with Daniel Park's Allied group.