A young man who completed college entrance examinations and started his long-cherished "Infinite Dendrogram". He usually has a warm personality, but is full of justice, and has a strong will to stand up against any ordeal, regardless of the many dangers that lie ahead. The incarnated embryo is Nemesis, as a girl.

Embryo given to Ray (TYPE: Maiden with Arms). She appears to look like a girl in a gothic dress, but she can change into a weapon form at her will. She speaks with a magnificent tone despite her appearance, but is a little girl who is afraid of ghosts. She's a bit gluttonous.

Ray's brother. He loves bear costumes, but in fact, He created his avatar to look too much like his real appearance, so now wearing a costume is imperative to prevent his identity from being revealed. Although he has a comical aspect, including his appearance, he is a reliable person for Ray and others.

An exquisite boy, a clear-headed master who is especially good at observing and analyzing. Although he seems to be honest and serious, his job is [Pimp]. He is a beginner just like Ray so they often act together. There isn't much of a difference between his real appearance and in-game avatar.

Luke's Embryo, her category is Gardner. She is an innocent and charming succubus, but she is limited because Luke is a minor, and her ways of temptation are only heartwarming ones such as shoulder tapping and knee pillows. She likes to eat blasphemously, such as making sweets spicy.

A wicked tongue and a low-key girl who works with Hugo. She has excellent searchability, and is quick to take action in case of an emergency. She only eats white things because her whole body is pure white.

Her job is a [Journalist] and she belongs to Dendrogram Information Network. She is a woman wearing a black suit and sunglasses. She provides various information to Ray in a tone that tells it like it is. She appears unexpectedly and has many mysteries.

The first woman who Ray met after finishing the tutorial and entering into the world of "Infinite Dendrogram". She has a younger sister far apart in age, Milianne.

Liliana's sister. A very sister-oriented girl.

Management AI number 13 of "Infinite Dendrogram". She is in charge of tutorials for most players including Ray. Likes polite people.

The "Superior" of the Kingdom of Alter, and the master who reigns the first in the duel rankings. He is counted as the "Three Giants of the Alter Kingdom", but is a friendly and sociable person. His job is [Over Gladiator] that is the pinnacle of the warrior system. Shu's friend.

Master belonging to the Yellow River Empire. One of the "Superior", which is the second in the duel ranking and counted as one of the "Yellow River Four Spirits". His job is [Master Jiangshi] that is a super-class profession of Taoist. Looks lively but acts clever. Features a unique intonation.

One of the "Superior" of the Life Empire, and the owner of the top clan of the Empire "Triangle of Wisdom". His job is [Gigaprofessor] and he specializes in monster research. An obsessed and malicious mad scientist.