A woman with two-toned brown and yellow hair, red headband, and brown eyes, she is the Sephirah of the Upper Layer Control Team. She is characterized by her constant energetic expression. Fittingly, she has a clumsy but active personality and gives off a spirited impression. Because she frequently forgets things, she always carries a notebook to take notes.

A man with purple hair and yellow eyes, he has little facial expression and is a strict disciplinarian. As the Sephirah of the Upper Layer Information Team, he is often seen pointing out the disheveled appearance of those around him. Because of this, he has earned the nickname "Viper Yesod," and he is aware of it. Despite his strict personality, he doesn't dislike building personal friendships with employees. He shows symptoms of OCD and hates exposing his skin, so he keeps his entire body covered in clothes.

A woman with long reddish-brown hair, a hairclip, an ahoge, and blue eyes, she is the Sephirah of the Upper Layer Training Team. She always has a gentle, smiling impression and is just as mild-mannered. In fact, at Lobotomy Corporation, she showed kindness by providing counseling to employees. However, on the other hand, she is obsessed with being a "good person who helps everyone," and when employees found her consideration bothersome, she expressed frustration, asking "why the employees aren't grateful to her."

A man with long green hair and brown eyes, he is the Sephirah of the Upper Layer Safety Team. He has a lazy personality with an expression that looks bothered by everything, and as if reflecting that personality, he dresses sloppily. He appears lethargic, lazy, and cynical.

A woman who looks like a young child with long pale yellow hair. She is the Sephirah of the Middle Layer Central Command, and while she is lively, her words are always thorny and she often shows a pessimistic outlook.

A man in flashy clothes with blue hair, yellow eyes, and dark circles under his eyes, he looks relaxed at all times and loves hot coffee. He is the Sephirah of the Middle Layer Welfare Team and exhibits a lethargic personality. He rarely gets angry.

A woman with a very dark and hollow impression, she is the Sephirah of the Lower Layer Extraction Team. She is characterized by a soft-spoken manner that treats the listener like a child, and because of this, she is treated like an elderly lady or grandmother. Her speech is always philosophical and metaphorical.

A middle-aged man with short gray hair and green eyes, he is the Sephirah of the Lower Layer Records Team. He speaks and acts like an old man, matching his appearance. He holds Ayin in very high regard and has a very strong loyalty to him. Because of this, he sometimes shows a fanatic-like side. Regardless of his age, he speaks politely to those around him.

The administrative assistant secretary at Lobotomy Corporation headquarters, she is an android with the structure of a human female. She has hair that is blue-gray at the top and turns sky-blue towards the bottom, with one side tied up. At Lobotomy Corporation, she always keeps her eyes closed but occasionally opens them. Her eye color is amber. She acts like a good secretary to Manager Ayin but shows a cold side to the Sephirah and employees. She likes places with a moderate amount of noise and hates it when plans go awry.

A fat-looking man, he is an employee of the Lower Layer Design Team. He has a lot of acne, loves women very, very much, and loathes men.