A show about friends climbing mountains sounds simple until you realize it's actually about watching someone with a real, physical fear slowly prove to themselves that they're braver than they thought. The animation captures the actual silence of high altitude, the specific ache of your legs on the way down, the way your lungs feel when you reach the peak. Every summit is small and ordinary and somehow matters more than anything else on TV because these characters earned it together, one scared step at a time.
Aoi's fear of heights once kept her grounded, but years of climbing with her best friend Hinata have transformed her into a genuine mountaineer. Now, as she and her expanding circle of climbing buddies tackle Japan's most challenging peaks, Aoi discovers that conquering mountains means confronting not just physical obstacles but her own lingering doubts. New climbers join the group, each bringing their own reasons for seeking the summit. Whether pursuing personal growth, chasing friendship, or simply chasing the next breathtaking view, they push each other higher. The mountains test their determination, teamwork, and resilience in ways they never expected. What starts as a girl's quiet journey to overcome her phobia has grown into something bigger: a celebration of how passion and community can rewrite your story. This season balances rewinding through cherished earlier moments with entirely fresh adventures, letting longtime fans relive their favorite peaks while newcomers discover why this franchise matters. It's about finding courage in the climb, one step at a time.