From Nerd to Bimbo Witch: An Unforeseen Transformation
Read the storyA nerdy college guy gets isekaied into a fantasy world where a bimbo witch finds him lost in the woods. She takes him in and explains that she is in charge of a potion shop. He gets hired to take care of the place while she goes on vacation for a few months. It's an easy process she says, giving him a potion. The first potion gave him all the experience he needed to run the shop. Little did he know it would start slowly turning him into a woman and then later a bimbo. All the potions in the shop had this side effect, and once he learned this, he wanted to take more and be more willing to sell them.