Is the order a rabbit?? Dear My Sister

Cocoa heads back to her family in the mountains after receiving a heartfelt letter from her sister Mocha, urging her to return home soon. While Cocoa enjoys a long-awaited reunion, her friends must spend a week in town without her. Meanwhile, Chino, Cocoa's self-proclaimed little sister, yearns to experience the upcoming fireworks festival together with Cocoa and their friends. As the festival approaches, Cocoa starts to miss her friends and the fun they always have together. Determined to join them for the fireworks, she decides to cut her visit short. The question remains: will she make it back in time to enjoy the festival's grand finale with everyone? As the days pass, Cocoa navigates her feelings of nostalgia and longing, hoping to reunite with her friends and share in the joy of the celebration.