The Nyarlathotep figure is captured in a dynamic, mischievous pose that hints at her chaotic nature. She stands poised as if about to spring into mischief, with one leg bent and her flowing hair and cape trailing behind her. The outfit translates her signature style into sculpted detail: a short pleated dress layered with ruffles, a bow at the chest, long sleeves, and thigh-high stockings. The sculptor emphasizes motion through swirls of fabric and a leaning posture, while the face displays a sly, knowing smile and sharp eyes that invite curiosity. Subtle shading highlights the curves of the figure, and the base features cosmic motifs and starry accents to evoke her otherworldly origins. The paint finish combines bold color contrasts with soft gradients to deliver a vivid, collectible presence on display.

Nyarlathotep in Haiyore! Nyaruko-san is presented as a cosmic trickster who manifests as a cheerful, fierce girl who uses wit and magic to influence events around the protagonist, Mahiro. She is both playful and dangerous, capable of bending realities and provoking chaos, all while forming unexpected bonds with the human world and the other Nyanko in the cast. The figure's narrative highlights her dual nature: irresistibly cute on the outside, cunning and unpredictable beneath the surface. She teases friends, negotiates with fate, and often acts as the catalyst for unlikely adventures, balancing moments of warmth with scenes of cosmic humor. This description reflects her role as a memorable, topical anchor in the story’s humor, fantasy, and occasionally suspenseful arcs.