1. Krishna and Arjuna
Padma Purana 5.74.61-74a
Then having heard the words, when Arjuna plunged into the water of the lake, which was tinged with the pollen dropped from white lotuses, lotuses opening on moonrise, (other) lotuses and red and blue lotuses, and which was agreeably perfumed with honey-drops, which was shaken by the notes of corpulent swans, whose four banks were decked with jewels, which had ripples due to gentle breezes, she vanished just there. The charmingly smiling one got up and on seeing around, was confused. He instantly saw himself (to be turned into) a wonderful, excellent lady, who had a slim, fair, charming body like the rays of pure gold…” (source)
The story continues…
Padma Purana 5.74.177b-196a
Arjuniya, having seen in confusion on the left side of the pleasing goddess Radhika, propitiating and offering a tambula to him of a bright smile, was overcome with the passion of love. Then, Sri krsna, who knew everything, knowing her to be like that, seized her hand, and he the lord, the great master of magical art secretly sported with her in the entire pleasure-forest. Then putting his sport-like arm on her should and coming to Sarada, said to her: ‘Bathe quickly this slim-bodied lady of a gentle smile, fatigued due to sport, in this western lake.’ Then that goddess Sarada (took her) to the western lake, (and) said to her, ‘Take bath’. The fatigued one did like that. She who got to the interior of the water, again turned into Arjuna and got up at the place where the lord of gods and the chief of the beautiful Vaikuntha stood. Seeing Arjuna dejected and broken-minded, Krsna kindly touched him with his hand and put him (back) to his nature.” (source)
Mahabharata 4.45.13-14
Indeed, thou seemest to me to be Mahadeva, or Indra, or the chief of the Gandharvas, dwelling in the guise only of one of the third sex.’ “Arjuna said, ‘I tell thee truly that I am only observing this vow for a whole year agreeable to the behest of my elder brother. O thou of mighty arms, I am not truly one of the neuter sex, but I have adopted this vow of eunuchism from subservience to another’s will and from desire of religious merit. O prince, know me now to have completed my vow…” (source)
2. Shiva and Vishnu
Skanda Purana 1.3b.20.32-33
Be victorious, O Lord, whose head is adorned with Ganga and the crescent moon, O Lord, who have fascinated the minds of the wives of all sages by means of your handsome features. Be victorious, O Lord, who are possessed of the glory of the god of Love due to the close contact of the daughter of the Mountain. Be victorious, O Lord, who are an expert in the repetition of the (sexual) play over the body of Naranaya adopted by means of Maya (?).” (source)
Agni Purana 3.17-20
Viṣṇu in the company of all the immortals said, “Be it so” and cast off his female form. He was then requested by Hara to show that form (again). (Lord) Hari (Viṣṇu) showed the feminine form to Rudra (Siva). Sambhu (Siva) being captivated by the illusory power, renouncing Gauri (Pārvatī) sought that feminine form. Becoming nude and behaving like a mad man, he held the damsel by her hair. She got herself freed and ran away. He too followed her. Wherever the seminal fluid of Hara dropped, there came into being sacred places of liṅgas and gold.” (source)
Shrimad Bhagavatam 8.12.15-32
The Supreme Personality of Godhead said: When the demons took away the jug of nectar, I assumed the form of a beautiful woman to bewilder them by directly cheating them and thus to act in the interest of the demigods. O best of the demigods, I shall now show you My form that is very much appreciated by those who are lusty. Since you want to see that form, I shall reveal it in your presence. Because the ball was falling down and bouncing up, as She played with it Her breasts trembled, and because of the weight of those breasts and Her heavy flower garlands, Her waist appeared to be all but breaking at every step, as Her two soft feet, which were reddish like coral, moved here and there. As She played with the ball, the sari covering Her body became loose, and Her hair scattered. She tried to bind Her hair with Her beautiful left hand, and at the same time She played with the ball by striking it with Her right hand. This was so attractive that the Supreme Lord [Vishnu], by His internal potency, in this way captivated everyone. Thus Lord Śiva saw the woman, every part of whose body was beautifully formed, and the beautiful woman also looked at him. Therefore, thinking that She was attracted to him, Lord Śiva became very much attracted to Her. Lord Śiva, his good sense taken away by the woman because of lusty desires to enjoy with Her, became so mad for Her that even in the presence of Bhavānī [Shiva’s wife] he did not hesitate to approach Her. The beautiful woman was already naked, and when She saw Lord Śiva coming toward Her, She became extremely bashful. Thus She kept smiling, but She hid Herself among the trees and did not stand in one place. After following Her with great speed, Lord Śiva caught Her by the braid of Her hair and dragged Her near him. Although She was unwilling, he embraced Her with his arms. Being embraced by Lord Śiva like a female elephant embraced by a male, the woman, whose hair was scattered, swirled like a snake. O King, this woman, who had large, high hips, was a woman of yoga-māyā presented by the Supreme Personality of Godhead. She released Herself somehow or other from the fond embrace of Lord Śiva’s arms and ran away. As if harassed by an enemy in the form of lusty desires, Lord Śiva followed the path of Lord Viṣṇu, who acts very wonderfully and who had taken the form of Mohinī. Just as a maddened bull elephant follows a female elephant who is able to conceive pregnancy, Lord Śiva followed the beautiful woman and discharged semen, even though his discharge of semen never goes in vain.” (source)
As per Brahmanda Purana, a son was born to Shiva-Vishnu known as Shasta,
Brahmanda Purana 4b.6.7-9
The second form appeared when the churning for the sake of Nectar was being carried out. That form fascinated Sarva (Siva). It cannot be comprehended by the mind or expressed through words. On seeing it, even isa (god Siva) became charmed and enchanted although he is omniscient. When prohibited by her, he left off Parvati all of a sudden and he indulged in sexual intercourse with her (i.e. Mohini). He begot of her (the son) Sasta, the supressor of Asuras.” (source)
3. Shiva and Agni
Brahma Purana Gautami-Mahatmya 12.2-3
Formerly, for quelling Taraka, Fire god drank the semen of Siva. On seeing him with the Semen within, O sage, the wives of sages desired for the same. Of the seven sages Vasistha’s wife Arundhati had her menstrual bath. Excepting her, the other six women became pregnant through the Fire god.” (source)
Brahma Purana Gautami-Mahatmya 12.2-3
At the instance of Devas the fire-god assumed the form of a parrot and went to the place where the lord of the worlds was sporting with Uma…The lord of Devas called the fire-god moving about in front of him, in the form of a bird and said, ”O Agni, you have been recognised through various ways. Do not speak anything. Open your mouth. Take this in and carry it with you.” After saying this lord Sambhu discharged a great deal of semen into the mouth of fire-god. With this semen within him Agni could not at all go. Utterly tired, Agni sat down on the bank of Ganga. He then discharged a greater portion of that semen into Krttikas wherefrom Karttika was born. The remaining portion of the semen of Sambhu that had been within his body, Agni split into two and deposited into his beloved wife Svaha who was particularly eager to have a child.” (source)
Vamana Purana 31.26-28
O Brahman, in the meantime Brahman said to Agni ‘How old and grown up is your son, Guha now’? Hearing his words, and not knowing his son, Agni said to Brahman, I do not know who is Guha,’ Being pleased, the Lord said, ‘You drank the semen of Sankara in the past, so a child, the lord of the three worlds has been born in the thickest of reeds.” (source)
Shiva Purana 2.4.2.19
Cursing Viṣṇu and other gods, Pārvatī furiously told Agni who had swallowed Śiva’s semen.” (source)
4. Krishna and Narada
Padma Purana 5.75.24b-32a
Narada said: This is a great secret, the secret of secrets. Formerly Brahma told me that secret about Vrndavana (when I had said to him): ‘O lord of gods, O father, tell me the secret of Vrndavana.’ Hearing this desire (of mine), he remained silent for a moment. Then he said to me: ‘O child, go to Maha (i.e. great) Visnu, my lord. Undoubtedly I must also go there with you.’ Saying so, and taking me (with him) he went to the abode of Visnu. He told Maha Visnu what I had said to him. Hearing that Maha Visnu himself ordered the self-born one (i.e. Brahma). ‘By my order, you take the sage Narada, and arrange for his bath in the lake called Amrta.’ Having entered the Amrta lake, I took bath there. Just at that moment I was (i.e. I found myself) near women, beyond (i.e. on the other side of) the lake (I was) turned into a woman, endowed with all (good) characteristics…” (source)
The Story continues…
Padma Purana 5.75.39b-53
With them, (we) went where the eternal Krsna remained. The lord, who was merely of the form of the Good, the Intelligence and the Joy, and o that of a woman, and whose heart was delighted due to the women, again and again said to me: ‘Come along O dear one, O beloved, embrace me devoutly.’ O you best brahmana, there only he enjoyed (with me) for a year. Then that best lover said to that goddess Radhika: ‘This was my natural form there, which had taken the form of Narada. Take her to the Amrta lake, and arrange for her bath.’…After that goddess Radhika took me to the lake, waited there, and went (back) near the feet of the Moon in the form of Krsna. Then immediately after plunging (into the lake) I came (back) as Narada…” (source)
5. Mitra and Varuna
Shatapatha Brahmana 2.4.4.19
In that same night Mitra implants seed in Varuna, and when it (the moon) wanes…” (source)
6. Narada and King Taladhvaja
Devi Bhagavatam Purana 6.28.37-54
O Nârada! Look! Look! How clear crystal-like is the water of this pool like the heart of a saint; see how it smells also fragrantly in contact with the lotuses on it.” When the Bhagavân spoke thus to me; I kept my lute and deer skin aside and gladly went to the edge of the tank. Washing then my hands and feet I tied my hair lock and, taking Kus’a grass, I performed my Âchaman and, purifying myself, began to bathe myself in that tank. While I was bathing, Hari was looking at me; by the time I took a dip, I saw that I quitted my male form and got a beautiful female form. Hari took away, then, my deer skin and lute and mounting on Garuda went away in a moment to His own residence. Getting the female form and decorated with excellent ornaments, my memory of my previous male form vanished at once; I forgot all about my famous lute and forgot also Jagannâtha, the Deva of the Devas. I then came out of the tank in that enchanting woman form, saw the pool of water filled with clear limpid water and adorned with lotuses. Seeing that, I began to think :– “What is this?” and I became very much astonished. While I was thus meditating in my woman form, a king, named Tâladhvaja, came there, all on a sudden, on a chariot, accompanied by numerous elephants and horses. The King looked like a second Cupid…” (source)
The story continues…
Devi Bhagavatam Purana 6.29.13-20
The King then began to sport with me amorously according to the rules of the Kâma S’âstra in various ways and with great enjoyments and pleasures. He then left all his kingly duties and state affairs and he began to remain day and night with me deeply immersed in amorous sports; so much his mind was merged in me in these plays that he could not notice the long time that passed away in the interval. He used to drink the Vârunî wine and, forsaking all the state affairs, began to enjoy me in nice gardens, beautiful lakes, lovely palaces, beautified houses, excellent mountains and enviable forests and became completely subservient to me. O Dvaipâyana! Being incessantly engaged with the King in amorous sports and remaining obedient to him, my previous body, male ideas, or the birth of Muni, nothing whatsoever came in my memory. I remained always attached to him…” (source)
Devi Bhagavatam Purana 6.30.1-14
Nârada said :– O Best of Munis! The King was greatly astonished to see me dip in the tank in a female figure and get up from the tank in a male figure and thought, “Where is my dearest wife? And how is this Nârada Muni suddenly come here!” The King, not seeing his wife, lamented very much and cried frequently, “O my dear Wife! Where have you gone, leaving me here thus. Without you, O One of spacious hips! My life, palace and kingdom, all, are quite useless…” (source)
7. Budha (Son of Soma) and King
Vayu Purana 2.23.15-18
He who is revered in the three worlds is famous as Sudyumna. He has attained the form of a lady. That noble lady returned to her father after securing the boon. After getting an opportunate moment, she was invited for love making (sexual intercourse) by Budha (the planet mercury). From Budha, the son of Soma, Puruavas, the son of Ila was born. After giving birth to the son born of Budha, she became Suyumna again. Sudyumna had three sons, all extremely virtuous.” (source)
Shrimad Bhagavatam 9.1.30-35
When the goddess Ambikā saw the great saintly persons, she was very much ashamed because at that time she was naked. She immediately got up from the lap of her husband and tried to cover her breast. Seeing Lord Śiva and Pārvatī engaged in sexual affairs, all the great saintly persons immediately desisted from going further and departed for the āśrama of Nara-Nārāyaṇa. Thereupon, just to please his wife, Lord Śiva said, “Any male entering this place shall immediately become a female!” Since that time, no male had entered that forest. But now King Sudyumna, having been transformed into a female, began to walk with his associates from one forest to another. Sudyumna had been transformed into the best of beautiful women who excite sexual desire and was surrounded by other women. Upon seeing this beautiful woman loitering near his āśrama, Budha, the son of the moon, immediately desired to enjoy her. The beautiful woman also desired to accept Budha, the son of the king of the moon, as her husband. Thus Budha begot in her womb a son named Purūravā.” (source)
