Personalization is a major appeal of Japanese sex dolls, with a wide range of customization options available to suit individual preferences. Users can choose from various facial features, including eye shape and color, nose size, lip fullness, and even specific expressions to match their aesthetic desires. Hair options are diverse, ranging from different styles, colors, and textures, allowing for a truly unique look.

Body customization includes selecting height, weight, breast size, waistline, and limb proportions. Some models offer adjustable joints for dynamic posing, while others include features like muscle tone or specific body types, such as athletic or curvaceous physiques. Skin tone and finish can also be tailored, from porcelain-like to tanned or darker shades.

Additional options include the choice of orifices, with some dolls featuring multiple orifices designed for comfort and realism. Accessories like clothing, jewelry, and even tattoos can be added for further personalization. Advanced customization might incorporate features like voice capabilities or facial expressions, making the doll even more lifelike.

These options enable users to create a highly personalized companion that aligns perfectly with their fantasies and preferences, making each doll a unique reflection of their desires.