A description of only the key figures from Nostalgia Game 1.

An NBC postman appearing in this game series. Male. Yellow skin, blue pants, a brown jacket, and a scarf in black/brown tones with a postman's hat. Very kind and cheerful personality, with the "awkward speech style" characteristic of NBC programs. Since he moves according to a set program, he relocates as if "disappearing or teleporting."

The being who appears as the "core main villain and urban legend" of this game series. Male. Possesses void-black skin, glowing white engraved eyes, and a bizarre smile that never fades. Cruel personality with a fierce, overwhelming voice filled with hatred, vengeance, and a desire for control. [Levitation and Binding] Can float in the air using ghost-like white threads extending from his body. [Telekinesis and Physical Transformation] Surrounds himself with pitch-black darkness that consumes the environment, exerting powerful code manipulation and corruption abilities. [Giantification and Shape-shifting] Capable of growing massive to swallow his surroundings or dispersing into a veil of shadows.

A special forces unit that handles anomalies within the metaverse and intervenes in the game.

Female

Male