Astarotte Ygvar is presented in a dynamic, poised stance that captures her aristocratic demon princess aura. The figure features delicate shading on her elaborate outfit, with the signature frilled dress and ornate accessories reflecting her high-status role in Astarotte no Omocha!. The sculpt highlights fine hair strands cascading around her shoulders, a calm expression that hints at both pride and a guarded softness, and accessories that emphasize her status, such as a jeweled choker and a flowing cape. The paintwork shows subtle color transitions from dark purples to lighter lavender tones, and the base is designed to resemble a throne-like pedestal with rune motifs. The overall silhouette blends elegance with a hint of mischief, inviting fans to admire the character's dual nature.

Astarotte Ygvar is a young demon princess who returns to the human world to fulfill an oath that binds her to a protector from earth. Through her daily interactions with Naoya and the other characters, she navigates the awkward balance between royal duty and teenage curiosity, often showing a stern, protective side when danger looms and a warm, curious side in ordinary moments of friendship. Her arc explores themes of belonging, trust, and responsibility as she learns to rely on humans while teaching them about her world, magic, and family obligations. The story emphasizes her growth from a guarded, proud noble into a more open and compassionate ally who values allies beyond bloodline, while still clinging to the honor codes of her lineage. Her journey blends humor, heartfelt moments, and occasional miscommunications that keep the cast lively and endearing while highlighting the character's strength and vulnerability.