At 16 years old in Tokyo, Sakurai Koharu was unable to complete her middle school year for unknown reasons. Fortunately, her grandmother Yoshino, who resides in Kyoto, offered her an opportunity to reside with her and work a part-time job at the well-known “Sakura An” store located in Gion. Koharu's uncle, Soujiro, manages the store where he specializes in creating traditional sweet treats, and also employs her second cousin, the captivating Kyoto gentleman named Reito. As Koharu assimilates with her newfound family, she gradually becomes more confident. However, Koharu soon realizes that there is a hidden secret surrounding the “Sakura An” store and her family members...!