Description:

One summer day, Jin Konohana, a boy conscripted by his insolent sister to carry her belongings to a fireworks show, suddenly notices he is on a strange mountain. Alone in the mountains, Jin begins a life of survival. He wants to discard all troublesome things and live in peace and comfort.

Alternative Titles:

異世界に転移したら山の中だった。反動で強さよりも快適さを選びました。, I Got Transferred in the Middle of a Mountain. In Retaliation, I Chose Amenity over Strength.