Lily is a princess from a land of wondrous powers. Together with her companion Earl, she travels with her magical shop, offering enchanted items that can make dreams come true. Their journey is driven by a quest to gather feelings of happiness. Along the way, they encounter girls who are troubled or in distress. Lily and Earl have the ability to read the hearts of these girls, understanding their deepest sorrows and wishes. Using the magical goods from her shop, Lily provides solutions that help resolve their problems and bring joy. Each encounter forms a self-contained story, while the overarching narrative follows the pair as they collect happiness across different places. The series balances adventure and romance within a magical setting, spanning three complete volumes.