Usami-kun is a salaryman who is impatient in everything he does. Driven by the anxiety of reaching his around-thirties, he starts using a matching app as part of his marriage hunting and meets Ishigame-san, a woman with a relaxed personality who is his complete opposite. While joining Ishigame-san in her hobby of mountain walking, Usami-kun is taught important things by her and nature, and is made to realize things he had been overlooking... And will Usami-kun be able to walk the path of life together with Ishigame-san!?