In 'Whose Heart Is It, Anyway?', you play as a quirky detective in a world where emotions have physical manifestations and hearts can be swapped between people. After the town's most beloved heart goes missing, chaos ensues as various citizens start trading their emotions for a little personal gain. Your task is to navigate through the tangled web of human desires, friendships, betrayals, and bizarre heart-related puns. Use your deductive skills to match hearts with their rightful owners, uncover hidden relationships, and ultimately restore emotional balance to the community before the annual Heart Festival. Your choices will directly influence who feels love, joy, and even heartbreak, leading to multiple endings that reflect the impact of your decisions.