The mysterious candy shop 'Zendo' only appears before those with a burning wish and a lucky coin. Before 'Beniko', the owner of 'Zendo', arrive customers with lucky coins. From a student who wants to cure their sick mother, to one who wants to gain great strength, and even a piano aspirant who wants to play well! Each receives the desired ability, but it only lasts for a moment. Then, 'Yomi', the owner of 'Kayan-do', a shop that sells jealousy and desire, appears and begins to make irresistible offers...