Isekai Raku Raku Survival: Seizon Skill Tsuwamono no Ore ga Bishoujo Shiri to Kurasu Mujintou Seikatsu

It's been over 10 years since the teleportation device that transports people from Earth to another world was created. Satomi Kakeru is a high school student with survival knowledge and skills drilled into him by his grandfather, who lives in the mountains. Kakeru is transported to another world wit