"Oh, my. It's been a long time since we have a guest." "For now, this is how it's gonna be. Anything you like over there, just one, you can take it with you." In the suburbs, deep in the forest, lies the "Witch's House." When they were young, a group of six childhood friends successfully visited the place. Each of them were given and took home, magical items. However―― Only one boy was different. "I don't want anything. Instead, I want to learn magic, let me be your apprentice――!" Some time has passed since then. The protagonist Kuze Shinra, is now spending his days as a servant of the "Witch of the Forest." Even though he is supposed to be her apprentice​, he is not taught magic at all, but is forced to do household chores every day instead. The only thing that he has learned is the "Magic of Clairvoyance," which he only uses to see the girls around him, their naked bodies! Day after day, he uses the magic on his childhood friends. Day by day, on his growing healthy body, his nose widens. In such a life that he leads, suddenly, a change occurs. "I come from Toulouse, France, my name is Lucie Stella Ecarlate. My mission―― exterminating the witches." From that moment, his daily life starts to change drastically. Childhood friends+1, the witches extermination, his true power, and numerous limits. But above all else―― This sudden changes in his surroundings eventually develop into romance and ecchi with the girls around him! In such a life that he leads, suddenly, a change occurs. Following the protagonist who is a witch's servant, a magical slapstick romantic comedy begins――!