Kensuke Yamamichi, an experienced solo camper, frequents forested areas. During one excursion, he encounters four high school girls struggling to set up their campsite. This chance meeting leads him to mentor the group, guiding them through outdoor challenges and wilderness situations. His practical knowledge becomes central to the girls' camping experience.

As the narrative advances, shared campsite activities—including campfire gatherings and collaborative tasks—foster interpersonal developments. Each of the four girls develops romantic feelings toward him, creating a complex emotional dynamic. The initial mentorship gradually shifts, positioning Kensuke as the focal point of their collective affections and placing him at the center of an evolving relational network.