In 'Whose Heart Is It, Anyway?', you play as Kiki, a quirky heart collector in a whimsical city where emotions can be physically stored in 'heart tokens'. After a mix-up occurs during an emotional auction, you've accidentally acquired a heart that doesn't belong to you. To return it to its rightful owner, you must navigate the weird and wonderful lives of the townsfolk, each with their own dramatic love stories and confounding quirks. As you uncover the mystery of whose heart you've taken, you'll engage in hilarious dialogue, make choices that affect relationships, and ultimately decide the fate of love in the city.