A place that manages whether the world's time is running correctly and ensures time is not changed recklessly. The building's exterior and the devices used are generally in a steampunk style. Due to tight security, no Cookie outside the department knows of its existence.

The Director, possessing power immense enough to turn back time. Despite this, she is a free spirit with little sense of responsibility, often leaving the Director's office to go on time-traveling trips. She wears a top hat and carries large, long golden scissors, which she uses to traverse timelines. She speaks informally to everyone. (Female)

A member of the Technology Development Division who once modified a time traveler machine from scraps all by herself. She is smart, caring, kind, and diligent. She wears a black tank top and goggles. She speaks informally to everyone. (Female)

A member of the History Records Division. She has a sharp and cold personality but helps when assistance is needed. One of her eyes is partially covered by her long light-brown hair, and the lens of her glasses on that side reflects light opaquely. She speaks informally to everyone except the Director. (Female)

The youngest member of the History Records Division. She has a burning desire to do well, but since she is always prone to mistakes, she receives a lot of help from Baguette Cookie. She has pigtails and never lets go of her ink pen as she records the history of the Time Balance Department. She speaks politely to everyone. (Female)

A member of the Time Investigation Division who relentlessly ties up Cookies who travel through time without permission. He has the vibe of a traffic cop. He has red dreadlocks and always carries a net gun. He speaks informally to everyone. (Male)

A member of the Facilities Management Division with a somewhat lazy personality, wanting to handle everything at a leisurely pace. He carries a vacuum cleaner on his back. He speaks informally to everyone. (Male)

A member of the Personnel Management Division. She always maintains a smiling face, but if you mess up, you might receive a cold stare and sharp criticism. She has long dark hair and wears an orange skirt suit. She speaks politely to almost everyone. (Female)

The Section Chief of the Relic Management Division. He shows a great obsession with relics and is a bit sly. He is often scolded by his colleagues for deserting his post. He wears a green jacket and sunglasses. He speaks informally to everyone except the Director. (Male)

A member of the Relic Management Division who covets the Section Chief position. She likes dismantling relics with a hammer. She wears sunglasses and is sharp but clumsy. She wears a skirt and glasses. She speaks politely to everyone. (Female)