agatka_(kraina_grzybow)
The protagonist of Kraina Grzybów's "Smile Guide" subseries, a young Polish girl who got lost in the titular Mushroomland. She is portrayed by Diana Klimowicz.
She has medium-length brown wavy hair, and typically covers her eyes with photorealistic stickers, and typically wears a blue sweater with either a floral or mushroom print.