"Bakuon!!" is a 12-episode anime series that centers around the lives of high school girls who share a passion for motorcycles. The story is set at a high school where the protagonist, Hane Sakura, becomes fascinated with motorcycles after encountering a mysterious rider. This encounter inspires her to join the school's motorcycle club, where she meets other members who each have their own unique relationships with bikes.

The main characters include Hane Sakura, an enthusiastic but inexperienced rider; Onsa Amano, the club president and a skilled rider with a deep love for motorcycles; Rin Suzunoki, a quiet and reserved girl who rides a classic bike; Hijiri Minowa, a wealthy and confident rider with a penchant for high-end motorcycles; and Raimu Kawasaki, a first-year student who idolizes Onsa and aspires to be like her. Together, they navigate the challenges of riding, maintaining their bikes, and balancing their school lives.

The narrative explores their daily adventures, from learning the basics of riding to participating in group rides and motorcycle events. The series highlights the camaraderie and humor within the club, as well as the individual growth of each character as they overcome obstacles and deepen their appreciation for motorcycles. The tone is lighthearted, with comedic moments and occasional educational insights into motorcycle mechanics and culture.

Throughout the series, the girls encounter various situations that test their skills and determination, such as dealing with mechanical issues, facing rival riders, and even confronting their own fears. The story also touches on themes of friendship, perseverance, and the joy of pursuing a shared passion. While the focus remains on the characters and their experiences, the series incorporates elements of motorcycle history and trivia, adding an informative layer to the narrative. Overall, "Bakuon!!" offers a blend of humor, slice-of-life storytelling, and a celebration of motorcycle culture through the lens of its endearing cast.