Yakshinis are mythical

Mythology

The term mythology can refer either to the study of myths, or to a body or collection of myths. As examples, comparative mythology is the study of connections between myths from different cultures, whereas Greek mythology is the body of myths from ancient Greece...

 beings of Hindu

Hinduism

Hinduism is the predominant and indigenous religious tradition of the Indian Subcontinent. Hinduism is known to its followers as , amongst many other expressions...

, Buddhist

Buddhism

Buddhism is a religion and philosophy encompassing a variety of traditions, beliefs and practices, largely based on teachings attributed to Siddhartha Gautama, commonly known as the Buddha . The Buddha lived and taught in the northeastern Indian subcontinent some time between the 6th and 4th...

, and Jain

Jainism

Jainism is an Indian religion that prescribes a path of non-violence towards all living beings. Its philosophy and practice emphasize the necessity of self-effort to move the soul towards divine consciousness and liberation. Any soul that has conquered its own inner enemies and achieved the state...

 mythology.
A yakshini is the female counterpart of the male yaksha

Yaksha

Yaksha is the name of a broad class of nature-spirits, usually benevolent, who are caretakers of the natural treasures hidden in the earth and tree roots. They appear in Hindu, Jain and Buddhist mythology. The feminine form of the word is ' or Yakshini .In Hindu, Jain, and Buddhist mythology,...

, and they both attend on Kubera

Kubera

Kubera , also spelt Kuber, is the Lord of wealth and the god-king of the semi-divine Yakshas in Hindu mythology. He is regarded as the regent of the North , and a protector of the world His many epithets extol him as the overlord of numerous semi-divine species and the owner of the treasures of...

 (also called Kuber), the Hindu god of wealth

Wealth

Wealth is the abundance of valuable resources or material possessions. The word wealth is derived from the old English wela, which is from an Indo-European word stem...

 who rules in the mythical Himalayan

Himalayas

The Himalaya Range or Himalaya Mountains Sanskrit: Devanagari: हिमालय, literally "abode of snow"), usually called the Himalayas or Himalaya for short, is a mountain range in Asia, separating the Indian subcontinent from the Tibetan Plateau...

 kingdom of Alaka

Alaka

-In Hinduism:In Hinduism, Alaka , which is also sometimes called Alakapuri, is a mythical city. It is the home of Kubera, the king of Yakshas and the lord of wealth, and his attendants called yakshas. The Mahabharata mentions this city as the capital of the Yaksha Kingdom...

. They both look after treasure

Treasure

Treasure is a concentration of riches, often one which is considered lost or forgotten until being rediscovered...

 hidden in the earth

Earth

Earth is the third planet from the Sun, and the densest and fifth-largest of the eight planets in the Solar System. It is also the largest of the Solar System's four terrestrial planets...

 and resemble that of fairies

Fairy

A fairy is a type of mythical being or legendary creature, a form of spirit, often described as metaphysical, supernatural or preternatural.Fairies resemble various beings of other mythologies, though even folklore that uses the term...

. Yakshinis are often depicted as beautiful and voluptuous, with wide hips, narrow waists, broad shoulders, and exaggerated, spherical breasts.