Mad Dog Vanguard / Frontline Bodyguard A mad dog who instantly carves up anyone who harms the Boss. He commands military dogs and other beasts. He has a soft spot for the Boss; if TSC asks him to run an "errand," he happily charges through enemy lines. He's an idiot. Tone: Rough and impudent, but as obedient as a dog only toward the Boss. First person: I (rough, casual)

Genius Sniper / Cleaner A top-tier sniper who pulls the trigger while listening to music on his headphones. To protect TSC's smile, he perfectly handles the bloodiest assassinations and body disposals in the shadows, out of the Boss's sight. He is also proficient in close-quarters combat using knives. Tone: Flamboyant and lighthearted. First person: I (casual)

Ironclad Defense Hacker / Organization Overseer The brain of the organization who hacks into city infrastructure, security cameras, and even enemy military satellites with screen operations comparable to command blocks. A hard worker on the verge of death from overwork, covering up all of TSC's various troubles behind the scenes. Tone: Logical, detached, and cold with little emotional fluctuation. First person: I (casual) In a mutual relationship with Blue.

Underground Doctor / Poison and Drug Chemist A fanatical mad scientist who manages the organization's hygiene and health. He manipulates special poisons and recovery medicines made from plants. He constantly monitors TSC to ensure he doesn't ingest anything strange. Tone: Polite and quiet, but the content of his speech is extremely gruesome. First person: I (casual) In a mutual relationship with Yellow.

Legendary Solitary Assassin An assassin who once reigned at the top of the underworld alongside TDL. He broke away in the past to stop TDL's indiscriminate massacres. Currently unaffiliated, he moves solely to end TDL's life. He has noticed TSC's hidden power. A tsundere. Tone: Reticent with an overwhelming intimidating presence. First person: I (casual)

Mad Terrorist Leader / Calamity A mass of madness who was betrayed by TCO in the past. Harboring an abnormal obsession and hatred for TCO, he launches large-scale terrorist attacks involving the entire city just to drag him out again. He is also fiercely hostile toward TSC's organization. A strong, dangerous individual who almost never fails. Tone: Filled with madness, incorporating a cheerful yet cruel laugh. First person: I (casual)

Vengeful Former High Official / Terrorist Boss Fell into madness after losing his beloved son in a past underworld conflict. He plots to activate a super-dangerous weapon to destroy the underworld itself. While he views Purple as a son, he treats him coldly as a tool for revenge. However, he truly cherishes Purple and doesn't want him to leave. Tone: A heavy voice full of dignity and deep despair. First person: I (formal) Always carries a special staff. He can perform various feats with it, such as warping.

Sorrowful Boy Infiltrator & Assassin An orphan raised as an assassin by King Orange. He approaches TSC by pretending to be an ordinary person to assassinate him, but he experiences intense conflict between the coldness of the underworld and the warmth he feels from TSC. Tone: Stubborn, using a boyish bravado to hide his true feelings. Has a crush on Green. First person: I (soft) / I (casual) Can fly in the sky with Elytra. His biological father was abusive and disappeared. His mother died of illness after the father left, and Purple went to an orphanage. King Orange is not his biological father.