"Long Riders!" is a manga series that centers on the experiences of Aoi Amamiya, a university student who becomes fascinated with the world of cycling. After encountering a fellow student riding a folding bicycle, Aoi decides to purchase her own bike, a Mercier Nano, and begins her journey into the sport. The narrative explores her growth as a cyclist, from learning the basics of bike maintenance and road safety to participating in long-distance rides and races. Along the way, Aoi forms friendships with other female cyclists, including her classmate Kururi Satō, who becomes her riding partner and mentor.

The story delves into the technical and emotional aspects of cycling, portraying the challenges and rewards of the sport. Aoi’s determination to improve her skills and endurance is a recurring theme, as she gradually transitions from a novice to a more confident rider. The manga also highlights the camaraderie among cyclists, emphasizing the supportive community that forms around shared interests and goals. Through group rides, training sessions, and competitions, the characters develop both individually and collectively, showcasing the importance of perseverance and teamwork.

The series incorporates detailed depictions of cycling equipment, techniques, and routes, appealing to readers with an interest in the sport. It balances technical information with character-driven storytelling, creating a narrative that is both educational and engaging. The main characters, including Aoi, Kururi, and their cycling club members, are portrayed with distinct personalities and motivations, adding depth to their interactions and growth. "Long Riders!" offers a realistic and immersive portrayal of the cycling world, blending personal development with the thrill of the ride.