In a world where emotions are traded as commodities, players assume the role of Vesper, a heart merchant who can steal and exchange hearts for their specific emotional powers. Set within a bustling metropolis filled with quirky characters and shadowy underground markets, players must navigate relationships, confront ethical dilemmas, and ultimately decide what it means to truly connect with others—while dealing with the repercussions of heart theft. As Vesper journeys through various emotional landscapes, they face challenges that test their wits and their moral compass. Will they hoard hearts for power, or will they risk them for love?