Description：Let's go together - to meet the beautiful scenery with irreplaceable friends. Aoi, who loves indoor activities and is afraid of heights, reunited with her childhood friend Hinata when she entered high school. Although she was exhausted under Hinata's leadership, she gained experience in mountain climbing and outdoor activities. Aoi gradually began to enjoy mountain climbing. After that, their season changed from summer to autumn. Aoi, together with her friends who increased due to mountain climbing, tried hard to think about which mountain to climb next. Hinata gradually felt relieved when she saw Aoi training her physical strength with the goal of climbing Mount Fuji and starting to actively challenge new outdoor activities. Laughing, crying, climbing... "Heading to the Mountains" depicts the joy of mountain climbing among middle school mountaineering girls. The long-awaited "Third Season"