Summoner: The Demon's Apprentice

A visual novel with RPG elements, where a young girl accidentally summons an ancient demoness who, in her rage, turns the heroine into a futanari. The demoness becomes her mentor and guide in the world of magic. Together with the heroine, you will seduce women in order to earn money for training, and you will have to buy magical ingredients for seduction with demonic coins, which you will have to earn... through bed