"Iwa-Kakeru!! -Try a new climbing-" is a sports manga centered around the world of competitive rock climbing. The story introduces Konomi Kasahara, a high school student who stumbles upon the sport after a chance encounter with a skilled climber, Jun Uehara. Initially unfamiliar with climbing, Konomi becomes captivated by the physical and mental challenges it presents. She joins her school’s climbing club, where she begins to develop her skills alongside a diverse group of teammates, each with their own motivations and backgrounds.

The narrative explores Konomi’s journey as she transitions from a novice to a dedicated climber, facing both personal and competitive obstacles. The series delves into the technical aspects of climbing, including bouldering, lead climbing, and speed climbing, while also emphasizing the importance of strategy, strength, and mental fortitude. Konomi’s growth is marked by her determination to overcome her limitations and her evolving relationships with her peers, particularly Jun, who serves as both a rival and a mentor.

Supporting characters, such as the competitive and driven Rika Saeki and the analytical and reserved Shun Fujimoto, add depth to the story, showcasing different approaches to climbing and personal growth. The manga balances intense competition scenes with moments of camaraderie and self-discovery, highlighting the collaborative and individualistic nature of the sport. Through tournaments and training arcs, the series portrays the physical and emotional highs and lows of climbing, offering a comprehensive look at the dedication required to excel in the sport.

"Iwa-Kakeru!! -Try a new climbing-" stands out for its focus on the intricacies of rock climbing, blending technical detail with character-driven storytelling. It appeals to both sports enthusiasts and readers interested in personal development, presenting a realistic and engaging portrayal of the challenges and rewards of competitive climbing.