Isekai ni Teni Shitara Yama no Naka datta. Handou de Tsuyo Sayori mo Kaitekisa o Erabi Mashita

On an unfamiliar mountain during summer, Jin Konohana finds himself stranded. His sister had coerced him into carrying her belongings to a fireworks show and abandoned him alone in the wilderness. With the goal of achieving a peaceful and stress-free existence, Jin starts a survival journey to rid himself of any burdensome worries.