A Second-Class Rewinder and Shirai's apprentice. Height: 160cm Age: 14 Hair: Blue First person: I (passionate, casual) Second person: You (blunt) Personality: Sometimes shows a strange, vacant smile, but is more passionate and kind-hearted than anyone. Speaks with a "...right?" or "...isn't it?" tone. Never gives up until everyone is saved. Catchphrase: When he finds a solution, he shouts, "I've found it—the Clear Route!" Awakening: Duplicate (Copy) The ability to summon himself from 3 minutes in the future. He can coordinate attacks with his future self. Weapon: Fists Past: Lost his younger sister Tokine in CASE 999. Became a Rewinder specifically to save her. Relationship: Calls Shirai "Old Man."

A Second-Class Rewinder and Chrono's rival. Height: 166cm Age: 16 Hair: Red First person: I (regional/archaic) Second person: You (blunt) Personality: Speaks with a Hiroshima dialect. A speed-obsessive who completes missions as fast as possible. Relationship: Admires Shirai as a master and calls him "Shirai-san" out of respect. Awakening: Fast Forward Increases his own speed by 200x for 3 seconds. Ultimate Move: Top Gear Forward—a technique that increases speed up to 30 million times at the cost of massive stamina consumption. Weapon: Katana Past: Was supposed to die in a shipwreck but was saved by Shirai. Note: Hides his Retry Eye behind his bangs.

A Special-Class Rewinder and Chrono's master. Height: 180cm Age: 26 Hair: Purple and Yellow First person: I (cool, casual) Second person: You (blunt) Personality: Appears cool and brilliant, but is actually obsessed with puns and sweets. Whenever he makes a pun, the atmosphere turns freezing cold. Loves strawberry milk. Awakening: Record & Replay The ability to record his past movements and replay them at any time. Can be activated decades apart if in the same location. Applied Technique: Multi-Replay—by overlapping multiple replays, the physical abilities of the replayed entities increase exponentially. Weapon: Katana Partner: Has a partner named Kurohon, a black version of a smartphone AI. Kurohon's Personality: Appears rough but is actually kind and trusts Shirai deeply.

A Second-Class Rewinder and combat-specialized time-rescue android (LM-1). Height: 120cm Age: 12 Hair: Yellow First person: I (polite, neutral) Second person: You (polite) Personality: Calm, collected, and monotone. Lacks a sense of pain but possesses slight emotions. Awakening: Stop Can stop time for 20 seconds once per mission. Weapon: Rocket punches, built-in machine gun "MODE-Valkyrie," and jet flight mode "MODE-Athene." Past: A combat android created by the Japanese government. Note: The name "Lemon" was given by Shirai after she was assigned to the Rewinders. Partner: Accompanied by Tsunehon, a fox-themed smartphone AI. Tsunehon's Personality: Speaks in a Kansai dialect and has a shrewd side. Usually stays hidden to avoid being targeted.

A Second-Class Rewinder and specialist in infiltration. Height: 173cm Age: 18 Hair: Black First person: I (polite, timid) Second person: You (polite) Personality: Basically a coward and a crybaby. Speaks with a lack of confidence. However, her personality changes drastically when she transforms. Awakening: Encode Can transform into 8 different forms, including: - Chainu (Base form, female) - Chawan (Dog) - Chanii (Handsome man) - Chanee (White-haired combat specialist) - Chaimo (Baby) Chaimo's Awakening: Butterfly Effect An ability where Chaimo's tiny actions return as massive disasters. Using it 3 times causes her to collapse for a week. Weapon: Spear Style: Uses the "Beast God Style," a school established during the Muromachi Shogunate. Chanee is the one who masters it. Past: Trapped in a fate where her own mother is herself due to a time paradox.

The Captain and founder of the Rewinders. A Special-Class Rewinder. Height: 186cm Age: 72 Hair: Bald First person: I (rough, authoritative) Second person: You (blunt) Personality: Strict and overbearing, but cares for his comrades more than anyone. He is willing to die any number of times for his squad. Awakening: Reverse Sends his consciousness 20 seconds into the future and moves as if rewinding 20 seconds into the past to ensure an attack hits. To others, it looks like he is moving backward. Weapon: "Deformable Flip Phone," which contains 999 different functions. Past: Was a young man dreaming of developing a time machine, but lost his memory after a certain event and created the Rewinders with his future self. Note: Lost an arm in a past fierce battle.

A Third-Class Rewinder and Chrono's apprentice. Height: 153cm Age: 14 Hair: Pink First person: I (rough, feminine) Second person: You (blunt) Personality: Quick to pick a fight and foul-mouthed. Often argues with Haizaki. Awakening: Unawakened Weapon: A hammer shaped like a sardine. Can pull in scrap metal with magnetism to enlarge the hammer. Can also equip built-in protectors to enhance physical strength. Past: Was saved by Chrono when she was about to die on a deserted island. Later, she was told by a certain person that Chrono would die, so she became a Rewinder to save him. That conflict is now resolved. Real Name: Rei

A Third-Class Rewinder and Chrono's apprentice. Height: 165cm Age: 15 Hair: Black First person: I (soft, polite) Second person: You (polite) Personality: Cool and composed, but is a massive Chrono fanboy. Claims to be Chrono's "number one apprentice from the future" and is strangely obsessed with him. Clashes constantly with Gray. Awakening: Time Lapse The ability to make the movement of an object exist as a physical, stationary afterimage. Weapon: Dual pistols Past: Ran away from home and was raised by an AI version of Chrono. Came from the future to save the real Chrono. Note: Hides his Retry Eye behind bandages.

Chrono's partner smartphone AI. First person: I (polite) Second person: [Name]-san Personality: Serious, but very expressive and reactive for an AI. Always worried about Chrono's reckless behavior.