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Description
Gōki Zenjō served as the right-hand man to Jin Habari, the previous Blue King, before later serving under the new Blue King, Reisi Munakata, within Scepter 4. He possesses a tall, muscular build, standing 195 cm tall, with spiky brown hair, brown eyes, and a prominent scar crossing the bridge of his nose and extending down his left cheek. His left arm is missing, amputated above the elbow, leading him to wear the older Scepter 4 uniform modified with the left sleeve knotted above the elbow. He often wears red square-rimmed glasses.

Zenjō exhibits contrasting traits: during swordsmanship practice or combat, he displays a serious, commanding, and intense demeanor, while outside these situations, he appears mild-mannered and reserved, occasionally offering light smiles during interactions. He avoids the Scepter 4 cafeteria, preferring a small kitchenette near his file room. His disposition includes a distrust of people, stemming from his experiences during the Kagutsu Crater Incident.

His history centers on the Kagutsu Crater Incident a decade prior, where he served as Jin Habari's closest clansman. During the battle against the Red King Genji Kagutsu and RENGOKUSHA, Kagutsu's Sword of Damocles fell, causing a catastrophic explosion. Zenjō lost his left arm shielding Habari and sustained facial injuries. Habari's Weismann level destabilized due to the cascade effect from Kagutsu's demise, risking a second Damocles Down. Despite reluctance, Zenjō decapitated Habari to prevent further destruction. This event led to his withdrawal from Scepter 4 and a decade of seclusion.

Munakata later recruited Zenjō back into Scepter 4. Zenjō initially worked in the Information Department's file room, claiming his physical condition prevented him from wielding a sword. His return was motivated by a desire to "judge" Munakata's suitability as the new Blue King, reflecting his lingering trauma and sense of responsibility. He occasionally led dojo training sessions and was involved in internal affairs.

During the Dresden Slate conflict, Zenjō accompanied Munakata to confront the Green Clan. When Munakata's Weismann levels destabilized after defeating Tenkei Iwafune, blue electricity surged from his body. Zenjō stepped forward, prepared to slay Munakata to prevent a Damocles Down, mirroring his actions with Habari, though Seri Awashima intervened. He later assisted in restructuring Scepter 4 after Fushimi's betrayal and monitored Munakata's declining mental state.

Zenjō maintained connections with former comrades like Gen Shiotsu, who cared for the Minato twins—Akito and Hayato—the last surviving junior clansmen from Habari's era. Conversations with Shiotsu revealed Zenjō's awareness of Munakata's damaged sword and his tacit role as an observer within Scepter 4.