In a whimsical world where hearts can be physically swapped and emotions are tangible, you play as an emotion merchant named Harlow. Your shop, 'Heart's Desire,' sells the hearts of various creatures, each imbuing its owner with unique traits. One day, you accidentally swap your own heart with a mischievous imp's, leading to a chaotic series of events where you must navigate emotional mayhem, charm customers, and outwit the imp before an important heart auction. The choices you make will determine who gets their heart back and what the world will feel like afterward. Will you restore harmony or light the fuse to havoc?