**Let's meet in the mountains and get to know each other through the mountains.** The sound of the wind, the sound of insects, the sound of water flowing in a stream, the sound of your heart… Kagayama Shun, a man who was fascinated by and loved mountains, says, “I feel alive only when I climb mountains.”. One day, he meets a lone woman, Sendou Tsubaki, who looks nothing like a mountain climber. Unable to bear the sight, Kagayama accompanied her and found out her “reason for climbing the mountain”——!? A sentimental and majestic mountain climbing love story about a woman who lost something precious and a man who encountered something precious.