After consuming a peculiar flower, Chocotan the mini dachshund acquires the power of speech! From that point on, the enthusiastic pup has been capable of offering sincere support to her young owner, Nao Hatori. The pair frequently stroll to the park, hoping to bump into Hatori's crush, Yamato Arima, and his dachshund Happy. During one such meeting, Arima is distracted by his female classmates, which pulls Hatori away from their conversation. To compound the issue, Chocotan loses her ability to talk and cannot comfort her now heartbroken owner. Even with these obstacles, Chocotan's unwavering affection for her human friend inspires Hatori to find the bravery to act on her true feelings.