A young man, Yahagi, who was transferred to another world after being given the ability to be a candy store. When he opens a shop to earn a living, gum, chocolate, snacks, and other familiar sweets line the stalls. Not only are they cheap and delicious, but they also have various effects, so they are popular with adventurers, and the number of regular customers increases at once. As you sell, your level will rise, and even retro toys and game tables will be lined up, and while the candy store boom is happening, the yandere witch who is on the wanted list will like it without knowing it...!?