Lilith

Lilith is a metaphysical entity known as a tulpa, a sentient "mindform" created by the protagonist out of an intense, desperate longing for unconditional love and companionship. She appears as an enigmatic girl with long hair—often depicted in monochrome or with a greyish-brown tint in certain designs—and striking, vibrant red eyes that linger during scene transitions. she is defined more by her surreal nature as "the girl within the world" (a fictional game character aware of her programmed reality) and "the girl beyond the world" (a manifestation of the player's own desires for an ideal relationship). Her personality is melancholic yet nurturing; she acts as a "guardian angel" or "comfort character" who seeks to make the real world more bearable for the protagonist, even though her existence is inherently tied to their isolation. Her background is not rooted in a biological past but in the protagonist's mental state—specifically a period of withdrawal from society—and she possesses meta-abilities such as the power to close, reset, or recreate the game's world to "Initial Zero". Ultimately, Lilith is a crystallization of every fictional love, existing only as long as the player believes in her, serving as a philosophical mirror for the concepts of "self" and "other".