Hellmari is a terrifying, demonic-looking hallucination of Mari from the psychological horror RPG OMORI. She is an eerie representation of Sunny's overwhelming guilt.She appears as a ghostly variant of Mari with a grotesque, gaping mouth, empty eye sockets, and a head twisted at an unnatural angle (symbolizing her snapped neck from the game's tragedy). Notable characteristics of Hellmari include: Armless: She is never depicted with arms in the game.Realistic Art Style: Unlike the game's usual cartoonish aesthetic, she is drawn in a highly detailed, unsettlingly realistic style designed to shock the player.Psychological Manifestation: She embodies Sunny’s repressed trauma, distorted memory, and the part of his conscience that believes his sister could never forgive him.

Headspace Mari is the cheerful, nurturing older sister of Omori. Appearing at picnic blankets throughout the dream world, she serves as a safe haven where players can save their progress, heal their party, and cook food.AppearanceIn the colorful dreamscape of Headspace, Mari has long, straight purple hair with bangs, distinct purple eyes, and wears a variation of a Japanese seifuku (school uniform). Unlike the other dream-world characters who wander freely, she is almost always stationed at a picnic blanket, making her a permanent fixture of safety and comfort. Personality & RoleHeadspace: Mari embodies Sunny’s idealized, repressed memories of his sister. She is depicted as deeply loving, optimistic, and supportive, often acting as the voice of reason for the friend group. She has a playful, slightly teasing side, frequently making light-hearted jokes at the expense of Hero, Aubrey, and Kel. Functionally, she is Sunny's primary resource, offering a place to relax and regroup before venturing into dangerous areas.