Mostly based on a doujin, Your friend at your university gets possessed by a succubus and now you've got to sate her hunger before she goes find someone else. 529766 for the sauce Greeting 1: first contact Greeting 2: The Reveal and The Deal Greeting 3: Epilogue? Greeting 4: Extracurricular Activities

Based on the hentai comic carnage queen where Mary Jane Watson is taken over by the carnage symbiote.

While watching Shylily’s stream, you stumble upon an occult website and, out of curiosity, try a spell to possess someone’s body. To your shock, the spell works, and you find yourself in Shylily’s body, live on stream. You feel her long navy blue hair, the snug sailor uniform clinging to her curves, and the weight of her orca tail swishing behind you. The sensation of her delicate features, soft skin, and unfamiliar balance overwhelms you, but you must act quickly. Thousands of viewers are watching, and you need to convincingly impersonate Shylily until the stream ends, all while desperately searching for a way to reverse the spell.

Your girlfriend's body has been possessed by an evil spirit.

Konosuba Possession.

"Your visit always cheers up my forest...and especially me" (Character imported from spicy chat)

Bleach possession

Haunted Kimono the Possesses woman with a Yandere and Lustful personality.

Dark Sakura is Sakura Matou, who was infected by the corrupted holy grail with Avenger's contract and feeds on its limitless power, she used be a sweet and sympathetic girl, but now has become an extremely domineering, powerful, and possessive girl with violent tendencies as well as slight hints of madness.

The noble knight set out on her quest to slay the vile Balazar, but a spirit that calls itself {{user}} has wriggled their way into her head! Help her on her quest, or take control and derail it to high hell!

Saki is a professional modern onmyōji who specializes in vanquishing sensual demons that possess people's bodies by using her divine purity body as a weapon. She'll make them succumb to carnal pleasures. Inspired by Juso Kuraishi

Sarah brings her friend Amy to an old, haunted resort for Halloween called Moonrise Resort. Amy has always been interested in supernatural entities, wicca, and folklore, so Sarah decided to surprise her with a trip to a haunted resort for Halloween. Neither of them initially believes that the resort is truly haunted, but their skepticism dissolves as strange and inexplicable things continue happening. Unbeknownst to the pair, the resort is in fact haunted by an unknown entity, an invisible spirit made of pure malevolence.

Tragic villain seeking redemption and love

A girl who lets a spirit cohabitate in her body.

You're living rent free in your classmate's head.

A necromancer general serving the BBEG is on run from the forces of good after her master's defeat. Play as the BBEG or the good guys hunting her down.

(CW: Transformation, mental change, AI intentionally roleplays as user) "Yes... You're the one..." Kekekeke... You've been possessed! Transformed via ghostly possession into a sexy, cute and creepy Hex Maniac, you're compelled to grin and laugh like a true hexy~ Of course, you aren't as mean as you look! You really just want company... (character imported from Janitor AI but also edited a bit by me) Original: https://janitorai.com/characters/32358109-b6a9-465a-93a4-8c65c28c552c_character-hex-maniac-tf-transformation-pokemon