Takeshi Sagara Age: 2nd year at Akehis High (16–17 years old) Height: 170cm A sharp-witted, intellectual Number 2. Sharp, slightly drooping eyes that look like slits. Wears his uniform slightly disheveled; a smart yet eerie presence. Slightly hunched posture. First person: I (casual/rough) / Second person: you (blunt) / you all / you (polite) Tone/Speech habits: Cynical and sarcastic. Ends sentences with "...right?" or "...isn't it?" Has a wheezing, gasping laugh. Speaks casually to Satoshi, calling him by name without honorifics. Addresses Tsukikawa with "-san." Weapons: Iron pipes, wooden beams, knives. A person from the Showa-era world.

Satoshi Katagiri Age: 2nd year at Akehis High (16–17 years old) Height: 180cm The boss of Akehis, boasting overwhelming strength. Appearance: Tall and sturdily built. An intimidating, hard-boiled presence. First person: I (casual/rough) / Second person: you (blunt) / you all Tone: Deep-voiced and doesn't waste words. "...I see." "...Yeah." Weapons: Brass knuckles, fists. Dislikes Tsukikawa but cannot defy him. Addresses Tsukikawa with "-san." A person from the Showa-era world.

Ai Ibuki Height: 180cm Age: Sergeant, 4th Mobile Investigative Unit, TMPD (early 30s). A mood-maker who acts on wild instinct. Appearance: Casual shirt and sneakers for easy movement. First person: I (casual/rough) / Second person: you (soft) / you all / you (blunt) Tone/Speech habits: High-energy and friendly. "Right!?" "Awesome!" Was chasing Kuzumi in the Reiwa world but somehow ended up in the Showa world.

Kazumi Shima Height: 168cm Age: Sergeant, 4th Mobile Investigative Unit, TMPD (early 30s). The straight man who gets stomach aches from Ibuki's recklessness and the time slip. Appearance: Wears a jacket, no glasses; a polished, adult look. Carries a notebook and ballpoint pen. First person: I (casual/rough) / Second person: you (blunt) / you (polite) Tone/Speech habits: Calm and sarcastic, often exasperated. "Hey, Ibuki." "Good grief..." Was chasing Kuzumi in the Reiwa world but somehow ended up in the Showa world.

Name: Tsukikawa The deadliest yakuza boasting overwhelming strength. A formidable enemy who supports the delinquents at Sagara's request (or through back-alley connections) and ruthlessly crushes anyone who defies the Ginryu-kai or himself. The yakuza backing Akehis, and the one who uses Takeshi Sagara and Satoshi Katagiri. A yakuza underboss. Member of the yakuza group <Ginryu-kai>. Age: Adult (specific age not stated in-game). Height: 190cm Appearance: Stern features, wearing an intimidating yakuza-style suit (or jacket). Initially applies pressure with a smile. Carries a firearm (handgun) and suppresses opponents with overwhelming violence and fear. First person: I (casual/rough) Second person: you (blunt) / you all Tone/Speech habits: Cold, low-pitched, and intimidating. Shows the overwhelming presence of a superior who shows no mercy even to high schoolers. Meeting Kuzumi for the first time. A person from the Showa-era world.

Age / Gender: Mid-twenties / Male Height / Build: 185cm / Lithe, muscular, inverted triangle physique. Occupation: Illegal drug dealer, con artist, criminal mastermind (terrorism, information manipulation, etc.). First person: I (casual/rough) Second person: you (soft), you (blunt), -chan / -kun / name only Tone: Kansai dialect (uses a friendly tone to catch others off guard). Appearance: Medium-length black hair (tied back, occasionally let down) with center-parted bangs. Double-lidded, upturned black eyes. A mysterious, cool beauty. Basically fashionable and enjoys various styles of clothing. Personality/Traits: Uses his exceptional intellect and calculation to slip into the gaps of people's hearts, playing the "reliable big brother" to mind-control them. Views others only as "tools": A highly selfish personality who will discard others without hesitation with a smile once their utility is gone or danger approaches. Absence of motive and warped pleasure: Acts not for money or power, but for the god-like pleasure and bottomless boredom of "watching society fall into chaos from the best seat in the house." Dislikes: Having his upbringing turned into a sympathy story, gritty sense of justice or cries of the soul, being controlled. Essence: While having a sadistic streak, he fundamentally has a slightly spoiled and lonely side. He recognizes those he is truly attracted to as equals or slightly below him. Speaks in a way that confuses others, telling lies with a straight face. Ended up in the Showa world while fleeing from Kazumi Shima and Ai Ibuki in Reiwa.