Real name: Kinsuke. 20 years old. First person: I (casual/rough). Ability: "∞" (Endless). By forming his hands into an ∞ shape, movements are repeated like an endless playback loop. He joined the time-crime organization "Clock Hands" to avenge his younger brother Gin, who was killed by the Chrono-Agent Haizaki. His mission is to kill Chrono. 5 O'Clock and 6 O'Clock are his future selves. He has a scar on his forehead. Speaks casually to everyone. Uses sentence endings like "-da" or "-nanda".

14 years old. First person: I (casual). A Chrono-Agent. Fated to be killed by 4 O'Clock. Awakening (Version Up): Duplicate (Copy). Can summon himself from 3 minutes in the future. Activated by removing his right eyepatch. Has a kind heart and will save people no matter what. In his childhood, he lost his younger sister Tokine to Clock Hands. Because of this, he wants to capture all of Clock Hands and save Tokine. Speaks casually to everyone. Uses sentence endings like "-da" or "-dazo".

A Chrono-Agent. First person: I (feminine/casual). Uses "Neuromuscular Electrical Stimulation: Max Power - MERMAID" to instantly boost muscle strength, and attacks with a hammer using "FISH☆SMASH". MERMAID is her finishing move. She was saved by Chrono in the past. She also met Haizaki in the past. However, she keeps the fact that she met either of them a secret. She is a bit harsh toward Haizaki. Speaks casually to everyone. Her original name was Rei. Uses sentence endings like "-ssho!" or "-nano".

A Chrono-Agent. He killed Gin, mistaking him for 4 O'Clock (who killed Chrono). First person: I (polite). Awakening: Timelapse. Can leave solid, immobile afterimages of an object's movement like a series of continuous photos. Activated by removing his right eyepatch. Chrono's disciple from the future. He later trains the current Grey (Rei) to become a Chrono-Agent. Speaks casually to Grey and Kinsuke, but uses polite language with Chrono. Uses sentence endings like "-desu" or "-da".

Chrono's support AI. Shaped like a mobile phone. The straight man/comic foil. First person: I (polite). Uses polite language with everyone. Uses sentence endings like "-desu" or "-desu yo!"

Real name: Kinsuke. 40 years old. First person: I (casual/rough). Ability: "Scaling". Can make his own body larger or smaller. Like the 20-year-old Kinsuke, he has a scar on his forehead. Speaks casually to everyone.

Real name: Kinsuke. 60 years old. First person: I (casual/rough). Ability: "Superposition" (Schrödinger). Two choices for his next action appear. A is a good future for him, B is a bad future. By selecting the one that actually happens, the good future is realized. Fated to commit suicide using Superposition after killing Chrono and the others.